Joint structure for bathroom door body of airplane bathroom unit
A joining structure of a door panel for a lavatory of an aircraft lavatory unit is provided. A plurality of pairs of end surfaces of a structural frame side hinge portion end surface and a door panel side hinge portion end surface facing each other in the vertical direction are alternately provided at intervals in the vertical direction. Bearing members each formed in a cylindrical shape and including a shaft insertion hole are disposed between at least two pairs of end surfaces adjacent to each other in the vertical direction, of the plurality of pairs of end surfaces. Both surfaces of the bearing member are in contact with each of the two pairs of end surfaces.
1. A joining structure for a door panel of a lavatory for an aircraft lavatory unit, the joining structure comprising a long hinge that comprises a structural frame side hinge member and a door panel side hinge member, the structural frame side hinge member being attached to a section configuring an entrance of a structural frame forming the lavatory of the aircraft lavatory unit, and the door panel side hinge member being attached to the door panel configured to open and close the entrance,
the structural frame side hinge member comprising a structural frame side attachment plate portion and a plurality of structural frame side hinge portions, the structural frame side attachment plate portion being attached to the section that configures the entrance of the structural frame, and the plurality of structural frame side hinge portions being disposed projecting at intervals in the vertical direction on the structural frame side attachment plate portion,
the door panel side hinge member comprising a door panel side attachment plate portion and a plurality of door panel side hinge portions, the door panel side attachment plate portion being attached to the door panel, and the plurality of door panel side hinge portions being disposed projecting at intervals in the vertical direction on the door panel side attachment plate portion, and being alternately arranged with the plurality of structural frame side hinge portions in the vertical direction,
the plurality of structural frame side hinge portions and the plurality of door panel side hinge portions being alternately arranged in the vertical direction and providing a plurality of pairs of an end surface of the structural frame side hinge portion and an end surface of the door panel side hinge portion,
the door panel being pivotally joined to the structural frame by a support shaft being inserted into support shaft insertion holes of the plurality of structural frame side hinge portions and support shaft insertion holes of the plurality of door panel side hinge portions,
bearing members being disposed between at least two pairs of end surfaces adjacent to each other in the vertical direction out of the plurality of pairs of end surfaces in a state where both surfaces of each of the bearing members in an axial direction are in contact with each of the pairs of end surfaces, the bearing member being a cylindrical shape and comprising a support shaft insertion hole into which the support shaft is inserted, the bearing members being disposed closer to one end of the joining structure than to a vertical center of the joining structure, and
gaps in the vertical direction being ensured between the plurality of pairs of remaining end surfaces excluding the at least two pairs of end surfaces adjacent to each other in the vertical direction.
2. The joining structure for a door panel of a lavatory for an aircraft lavatory unit according to claim 1 , wherein the two pairs of end surfaces adjacent to each other in the vertical direction into which the bearing members are disposed are a pair of end surfaces located near or at a top of the plurality of pairs of end surfaces or a pair of end surfaces located near or at a bottom of the plurality of pairs of end surfaces.
3. The joining structure for a door panel of a lavatory for an aircraft lavatory unit according to claim 2 , wherein dimensions in the vertical direction of the gaps between the plurality of pairs of remaining end surfaces excluding the two pairs of end surfaces are formed in substantially equal dimensions.
4. The joining structure for a door panel of a lavatory for an aircraft lavatory unit according to claim 3 , wherein a rubber plate having elasticity is disposed and attached to the structural frame side attachment plate portion or the door panel side attachment plate portion, the rubber plate being configured to cover from an inner side of the lavatory joined sections between the plurality of structural frame side hinge portions and the plurality of door panel side hinge portions which are alternately arranged in the vertical direction in a state where the bearing members are interposed between the two pairs of end surfaces and the plurality of structural frame side hinge portions and the plurality of door panel side hinge portions are pivotally joined together by the support shaft.
5. The joining structure for a door panel of a lavatory for an aircraft lavatory unit according to claim 4 , wherein a section of the structural frame to which the structural frame side attachment plate portion is attached is a wall portion end surface serving as an end portion of a wall portion constituting the structural frame,
a section of the door panel to which the door panel side attachment plate portion is attached is a door panel end surface constituting an end portion of the door panel,
the wall portion end surface and the door panel end surface are disposed at an interval, being parallel to each other and facing each other in a state where the entrance is closed by the door panel,
with the structural frame side attachment plate portion being attached to the wall portion end surface, the plurality of structural frame side hinge portions are located at sections of the wall portion end surface, which are located adjacent to an outer surface located outside of the lavatory, and
the door panel side attachment plate portion comprises a base plate portion attached to the door panel end surface, and an erected plate portion standing toward the wall portion end surface from an end portion of the base plate portion, which is located on an outer surface of the door panel located outside of the lavatory in a state where the entrance is closed by the door panel, the erected plate portion having a distal end portion on which the plurality of door panel side hinge portions are provided.
6. The joining structure for a door panel of a lavatory for an aircraft lavatory unit according to claim 5 , comprising a first trim configured to cover the wall portion end surface and a second trim configured to cover the door panel end surface, wherein
the structural frame side attachment plate portion is attached via the first trim to the wall portion end surface, and
the base plate portion is attached via the second trim to the door panel end surface.
7. The joining structure for a door panel of a lavatory for an aircraft lavatory unit according to claim 1 , wherein dimensions in the vertical direction of the gaps between the plurality of pairs of remaining end surfaces excluding the two pairs of end surfaces are formed in substantially equal dimensions.
8. The joining structure for a door panel of a lavatory for an aircraft lavatory unit according to claim 1 , wherein a rubber plate having elasticity is disposed and attached to the structural frame side attachment plate portion or the door panel side attachment plate portion, the rubber plate being configured to cover from an inner side of the lavatory joined sections between the plurality of structural frame side hinge portions and the plurality of door panel side hinge portions which are alternately arranged in the vertical direction in a state where the bearing members are interposed between the two pairs of end surfaces and the plurality of structural frame side hinge portions and the plurality of door panel side hinge portions are pivotally joined together by the support shaft.
9. The joining structure for a door panel of a lavatory for an aircraft lavatory unit according to claim 1 , wherein a section of the structural frame to which the structural frame side attachment plate portion is attached is a wall portion end surface serving as an end portion of a wall portion constituting the structural frame,
a section of the door panel to which the door panel side attachment plate portion is attached is a door panel end surface constituting an end portion of the door panel, the wall portion end surface and the door panel end surface are disposed at an interval, being parallel to each other and facing each other in a state where the entrance is closed by the door panel,
with the structural frame side attachment plate portion being attached to the wall portion end surface, the plurality of structural frame side hinge portions are located at sections of the wall portion end surface, which are located adjacent to an outer surface located outside of the lavatory, and
the door panel side attachment plate portion comprises a base plate portion attached to the door panel end surface, and an erected plate portion standing toward the wall portion end surface from an end portion of the base plate portion, which is located on an outer surface of the door panel located outside of the lavatory in a state where the entrance is closed by the door panel, the erected plate portion having a distal end portion on which the plurality of door panel side hinge portions are provided.
10. The joining structure for a door panel of a lavatory for an aircraft lavatory unit according to claim 5 , comprising a first trim configured to cover the wall portion end surface and a second trim configured to cover the door panel end surface, wherein
the structural frame side attachment plate portion is attached via the first trim to the wall portion end surface, and
the base plate portion is attached via the second trim to the door panel end surface.