Fish robot

Abstract

Provided herein is a fish robot. The fish robot includes a head unit corresponding to head portion of a fish; a driving unit coupled to the head unit to generate driving force by sinusoidal swimming movement; a waterproof cover coupled to the head unit with elasticity in which the driving unit being inserted to be sealed; and a body unit coupled to the head unit with elasticity corresponding to body portion of the fish in which the waterproof cover being inserted to be supported.

1 . A fish robot characterized in comprising
 a head unit corresponding to head portion of a fish;   a driving unit coupled to the head unit to generate driving force by sinusoidal swimming movement;   a waterproof cover coupled to the head unit with elasticity in which the driving unit being inserted to be sealed; and   a body unit coupled to the head unit with elasticity corresponding to body portion of the fish in which the waterproof cover being inserted to be supported.   
     
     
         2 . The fish robot according to  claim 1  characterized in further comprising
 a swimming delivery unit connecting the waterproof cover and the body unit so that the sinusoidal swimming movement according to operation of the driving unit being delivered to the body unit. 
 
     
     
         3 . The fish robot according to  claim 2  characterized in that the swimming delivery unit
 either including a delivery rib portion being protruded to be formed on outer circumference face of the waterproof cover, and a delivery groove portion being dent to be formed on inner circumference face of the body unit so that the delivery rib portion being inserted, 
 or including only the delivery rib portion. 
 
     
     
         4 . The fish robot according to  claim 3  characterized in that the swimming delivery unit further comprising at least one of
 a fixed protrusion portion being protruded to be formed on outer circumference face of the delivery rib portion or on inner circumference face of the delivery groove portion, and 
 a fixed groove portion being dent to be formed on outer circumference face of the delivery rib portion or on inner circumference face of the delivery groove portion. 
 
     
     
         5 . The fish robot according to  claim 1  characterized in that the driving unit comprising
 an electric power supply portion being provided to the head unit to apply electric power supply; 
 a plurality of drive motor portion rotating rotation axis by the electric power supply portion; 
 a link bracket portion linking the plurality of drive motor portion to be coupled to the head unit in series corresponding to sinusoidal swimming movement; and 
 an air bladder portion adjusting buoyance by the electric power supply portion so that the fish robot being submerged or floated. 
 
     
     
         6 . The fish robot according to  claim 5  characterized in that the air bladder portion comprising
 a first buoyance adjusting portion being provided to upper side of the driving unit corresponding to back portion of the fish, to be provided with a first adjusting portion having smaller specific gravity than that of fluid in which the fish robot being submerged; and 
 a second buoyance adjusting portion being provided to lower side of the driving unit corresponding to stomach portion of the fish, to be provided with a second adjusting portion having the same or larger specific gravity than that of fluid in which the fish robot being submerged. 
 
     
     
         7 . The fish robot according to  claim 1  characterized in that,
 to the waterproof cover, a swimming pleat portion extended and contracted in accordance with sinusoidal swimming movement being provided. 
 
     
     
         8 . The fish robot according to  claim 1  characterized in that the body unit comprising
 a hard portion being coupled to the head unit to be capable of being attached and detached; and 
 a soft portion extended from the hard portion with elasticity. 
 
     
     
         9 . The fish robot according to  claim 2  characterized in that the driving unit comprising
 an electric power supply portion being provided to the head unit to apply electric power supply; 
 a plurality of drive motor portion rotating rotation axis by the electric power supply portion; 
 a link bracket portion linking the plurality of drive motor portion to be coupled to the head unit in series corresponding to sinusoidal swimming movement; and 
 an air bladder portion adjusting buoyance by the electric power supply portion so that the fish robot being submerged or floated. 
 
     
     
         10 . The fish robot according to  claim 3  characterized in that the driving unit comprising
 an electric power supply portion being provided to the head unit to apply electric power supply; 
 a plurality of drive motor portion rotating rotation axis by the electric power supply portion; 
 a link bracket portion linking the plurality of drive motor portion to be coupled to the head unit in series corresponding to sinusoidal swimming movement; and 
 an air bladder portion adjusting buoyance by the electric power supply portion so that the fish robot being submerged or floated. 
 
     
     
         11 . The fish robot according to  claim 4  characterized in that the driving unit comprising
 an electric power supply portion being provided to the head unit to apply electric power supply; 
 a plurality of drive motor portion rotating rotation axis by the electric power supply portion; 
 a link bracket portion linking the plurality of drive motor portion to be coupled to the head unit in series corresponding to sinusoidal swimming movement; and 
 an air bladder portion adjusting buoyance by the electric power supply portion so that the fish robot being submerged or floated. 
 
     
     
         12 . The fish robot according to  claim 2  characterized in that,
 to the waterproof cover, a swimming pleat portion extended and contracted in accordance with sinusoidal swimming movement being provided. 
 
     
     
         13 . The fish robot according to  claim 3  characterized in that,
 to the waterproof cover, a swimming pleat portion extended and contracted in accordance with sinusoidal swimming movement being provided. 
 
     
     
         14 . The fish robot according to  claim 4  characterized in that,
 to the waterproof cover, a swimming pleat portion extended and contracted in accordance with sinusoidal swimming movement being provided. 
 
     
     
         15 . The fish robot according to  claim 2  characterized in that the body unit comprising
 a hard portion being coupled to the head unit to be capable of being attached and detached; and 
 a soft portion extended from the hard portion with elasticity. 
 
     
     
         16 . The fish robot according to  claim 3  characterized in that the body unit comprising
 a hard portion being coupled to the head unit to be capable of being attached and detached; and 
 a soft portion extended from the hard portion with elasticity. 
 
     
     
         17 . The fish robot according to  claim 4  characterized in that the body unit comprising
 a hard portion being coupled to the head unit to be capable of being attached and detached; and 
 a soft portion extended from the hard portion with elasticity.