Device for rotating cover of trash can

1. A device interfaced to a cover of a trash can, the device rotating the cover of the trash can, the device comprising:

the cover interfaced to the trash can by a rotating shaft, the trash can formed with a predetermined space by a frame and the cover and the device operates the cover be open based on the frame so that the predetermined space is exposed to the outside, or the device operates the cover be closed on the frame so that the predetermined space is disconnected with the outside, the device comprising:

an external force applying part rotated by first external force based on a first fixed rotating shaft fixed to the frame;

a mediating part, which mediates the external force applying part and the cover, and is interconnected to a rotation of the external force applying part by the first external force to make the cover be stood based on the frame, and makes the cover be lodged based on the frame by weight of the cover when the first external force is released;

a movement speed decreasing part, which is mounted between the frame and the mediating part, is elastically transformed according to a position movement of the mediating part, and decreases a speed of the position movement of the mediating part;

wherein when the cover is open, the cover is limited by second external force, the mediating part is transformed by the rotation of the external force applying part by the first external force and prevents the first external force from being transmitted to the cover;

wherein the mediating part includes a first connection part connected with the external force applying part, a transformation part connected with the first connection part and transformed by the rotation of the external force applying part by the first external force when the standing of the cover is limited by the second external force, and a second connection part connecting the transformation part and the cover, and when the second external force is not present, the transformation part is interconnected by the first external force applied to the external force applying part and position-moves the connected second connection part to make the cover be rotated based on a second fixing rotating shaft, and when the standing of the cover is limited by the second external force, the transformation part is transformed by the rotation of the external force applying part by the first external force to prevent the second connection part from being position-moved;

wherein the second connection part includes a transformation part connection part connected with the transformation part, and a cover connection part connected with the cover;

wherein the movement speed decreasing part includes a lodging speed decreasing part, which is connected with the cover connection part while being fixed to the frame, is elastically transformed by the cover connection part interconnected with the cover when the cover is lodged, and decreases a lodging speed of the cover by restoration force by elastic transformation, and a standing speed decreasing part, which is connected with the transformation part connection part while being fixed to the frame, is elastically transformed by the transformation part connection part interconnected with the cover when the cover is stood, and decreases a speed of the standing of the cover by restoration force by an elastic transformation; and

wherein the transformation part connection part includes a rotating connection part rotatably connected to a third fixed rotating shaft fixed to the frame, a first rotating part rotated based on the cover connection part while being connected to the cover connection part, a second rotating part rotated based on the transformation part while being connected with the transformation part, and a contact part which is in contact with the standing speed decreasing part.

2. The device of claim 1 , wherein when the second external force is not present, the transformation part is transformed to have a second length from a first length by the first external force applied to the external force applying part, and when the standing of the cover is limited by the second external force, the transformation part is transformed to have a third length from the first length by the first external force applied to the external force applying part, and the second length is smaller than the third length.

3. The device of claim 1 , wherein when the first external force is applied to the external force applying part, the first rotating part is rotated in a first direction based on the rotating connection part, and when the first external force applied to the external force applying part is released, the first rotating part is rotated in a second direction based on the rotating connection part, and when the first rotating part is rotated in the second direction, the lodging speed decreasing part is elastically transformed and provides restoration force.

4. The device of claim 1 , wherein when the first external force is applied to the external force applying part, the second rotating part is rotated in a first direction based on the rotating connection part, and when the first external force applied to the external force applying part is released, the second rotating part is rotated in a second direction based on the rotating connection part, and when the second rotating part is rotated in the first direction, the standing speed decreasing part is elastically transformed by a contact with the contact part and provides restoration force.

5. The device of claim 1 , wherein the lodging speed decreasing part includes a position moving part connected with the transformation part connection part, a body part, which slides while accommodating the position moving part, and a spring part elastically transformed by the position moving part while being accommodated in the body part, and the body part includes a through-hole, through which air stored in a storing space is discharged to the outside, or external air flows into the storing space according to a change in a size of the storing space by the position movement of the position moving part, and the speed of the position movement of the position moving part is determined according to the quantity of air flowing in or discharged through the through-hole.

6. The device of claim 5 , wherein the speed of the position movement of the position moving part is decreased by air flowing in or discharged through the through-hole.