Multi functional helmet

Abstract

There is provided a helmet including: a main body that includes a facial opening at its front side; a chin guard connected to a lower side surface of the main body; and a connector capable of connecting/disconnecting the chin guard to/from the main body, wherein the connector includes first connectors that are positioned at both ends of the lower side surface of the main body and include locking protrusions capable of coupling and fixing a part of the chin guard and second connectors that are positioned at both ends of the chin guard and include coupling loops to be caught by the locking protrusions so as to be coupled and fixed.

1 . A helmet comprising:
 a main body that includes a facial opening at its front side;   a chin guard connected to a lower side surface of the main body; and   a connector capable of connecting/disconnecting the chin guard to/from the main body,   wherein the connector includes first connectors that are positioned at both ends of the lower side surface of the main body and include locking protrusions capable of coupling and fixing a part of the chin guard and second connectors that are positioned at both ends of the chin guard and include coupling loops to be caught by the locking protrusions so as to be coupled and fixed.   
     
     
         2 . The helmet of  claim 1 ,
 wherein in the first connectors, an inner space is formed by connecting plate-shaped base members and the locking protrusions are protruded from an surface on the inner space side of the base members, and   the second connectors include a coupling control member that is exposed to an outside of the chin guard and moved in a transversal direction, a manipulating protrusion that is protruded toward an inside of the chin guard and moved in the same direction as the coupling control member, and the coupling loop of which one end is caught by the manipulating protrusion and which is returned to an original position by an elastic member when force caused by a movement of the manipulating protrusion is removed, wherein the other end of the coupling loop is caught by the locking protrusion at the original position and, when the manipulating protrusion is moved, free from the locking protrusion.   
     
     
         3 . The helmet of  claim 2 ,
 wherein the coupling loop is formed into a curved shape in order for the other end to be caught by the locking protrusion at the original position while the end is continuously caught by the manipulating protrusion by contractile force of the elastic member,   if the locking protrusion is moved in a first direction contrary to a direction of the contractile force, the end is moved in the first direction and the other end is rotated in a second direction different from a direction in which the other end is caught by the locking protrusion so as to be free from the locking protrusion, and   if the locking protrusion is manipulated to be free from the force in the first direction, the end and the other end are returned to the original position by the contractile force of the elastic member.   
     
     
         4 . The helmet of  claim 2 ,
 wherein in the first connector, an open intagliated groove is formed in an outer surface of the base member in a direction to be in contact with the main body and a fixing opening is formed in a contact surface of the main body at a position corresponding to the intagliated groove, and   the second connector further includes a fixing wing positioned at both upper ends of the chin guard and inserted into the fixing opening.   
     
     
         5 . The helmet of  claim 1 , further comprising:
 a shield configured to be coupled to the side surface of the main body and opened/closed at the facial opening;   a peak sun visor configured to be coupled to the side surface of the main body and positioned at an upper area of the facial opening; and   a rotational connection unit configured to couple at least one of the shield and the peak sun visor to be rotated around a rotation shaft,   wherein the rotational connection unit includes:   a first rotational connection unit positioned at both side surfaces of the main body including a coupling fixing member connected to the rotation shaft to couple and fix at least one of the shield and the peak sun visor, a second rotational connection unit positioned at both ends of extended side surfaces of the peak sun visor and including a first coupling hole through which the coupling fixing member passes, and a third rotational connection unit positioned at both ends of extended side surfaces of the shield and including a second coupling hole through which the coupling fixing member passes.   
     
     
         6 . The helmet of  claim 5 ,
 wherein the coupling fixing member is screw-coupled to the rotation shaft, and   a height of the screw-coupling is adjusted to correspond to a height of a coupling of at least one of the shield and the peak sun visor to the main body.   
     
     
         7 . The helmet of  claim 5 ,
 wherein the first rotational connection unit includes:   a deviation prevention groove that restricts a movement range of the peak sun visor;   an annular-shaped fan receiving unit that adjusts a movement degree of the peak sun visor;   an annular-shaped insertion guide into which an inner peripheral surface of the first coupling hole is inserted;   at least one guide groove formed at an outer peripheral surface of the insertion guide; and   a latch stopper that adjusts a movement degree of the shield and restricts a movement range of the shield.   
     
     
         8 . The helmet of  claim 7 ,
 wherein the second rotational connection unit includes:   the first coupling hole formed to pass the coupling fixing member through a position corresponding to the rotation shaft;   a deviation prevention protrusion that is formed to correspond to a shape of the deviation prevention groove and protruded with a width less than a width of the deviation prevention groove; and   a fan protrusion that has prominences and depressions contrary to prominences and depressions of the fan receiving unit to join with the fan receiving unit.   
     
     
         9 . The helmet of  claim 7 ,
 wherein the third rotational connection unit includes:   the second coupling hole formed to pass the coupling fixing member through a position corresponding to the rotation shaft;   at least one insertion protrusion formed at a position corresponding to the guide groove in the inner peripheral surface of the second coupling hole; and   a shield protrusion that is inserted into the latch stopper to move the shield in multiple steps.   
     
     
         10 . The helmet of  claim 5 , further comprising:
 an inner sun visor that is received in an inside of the main body to be closed and opened at the facial opening.   
     
     
         11 . The helmet of  claim 5 , further comprising:
 a ventilation unit including:   a ventilating guide that is positioned at a front lower central area of the shield and protrudes toward an outside;   an opening threshold that is supported by the ventilating guide and opens/closes the ventilating guide by up and down movements; and   opening holes that are formed in an upper end of a space protruding toward an inside of the shield and, if the ventilating guide is opened, opened for air to be circulated in the inside of the shield.   
     
     
         12 . The helmet of  claim 5 , further comprising:
 a connection member that couples a replaceable ornament to a front central area of the chin guard.   
     
     
         13 . A helmet comprising:
 a main body including a facial opening formed at its front and a locking protrusion protruded from its lower surface, and being connected to at least one of a chin guard, a shield and a sun visor,   wherein the chin guard includes a coupling loop and is coupled and fixed to the main body by one end of the coupling loop caught to the locking protrusion,   wherein the shield is coupled to a side surface of the main body to be movable and to adjust a movement degree,   wherein the sun visor is coupled to the side surface of the main body and has a restricted movement range, and   wherein at least one of the chin guard, the shield and the sun visor is connected to the main body and the helmet is transformed in various ways.