The invention discloses an external water throwing cabin door structure of an airplane mechanism and an airplane, and belongs to the field of airplane structure design. The water throwing cabin door is arranged on the lower portion of the airplane belly. The door frame is fixed to a discharge outlet outside an aircraft body, an annular sealing belt is arranged on the lower surface of the discharge outlet, a cabin door lifting mechanism and a locking mechanism mounting connector are arranged on the door frame, one side of the water throwing cabin door is hinged to the aircraft body through a suspension hinge, and a cabin door body is buckled to the sealing belt of the discharge outlet. The water throwing cabin door is provided with a lifting mechanism, the two ends of the cabin door are connected with the lifting mechanism through lugs, and the lifting mechanism comprises a damping pull rod and has the functions of quick opening, buffering, self-locking and self-locking relieving. The water throwing cabin door is provided with a locking mechanism, the other side of the cabin door is connected with a locking groove in the locking mechanism through a lock pin connector, and the locking mechanism comprises a cam and a pre-position spring and has the function of preventing accidental opening. The cabin door suspension hinge, the lifting mechanism and the locking mechanism are arranged on the outer side of the cabin door sealing area at the discharge opening and on the inner side of the fuselage rectification appearance.
本申请公开了一种飞机机构外置式投水舱门结构及飞机,属于飞机结构设计领域。投水舱门设在飞机机腹下部。门框固定在飞机机体外的排放口处,排放口下表面设有环形密封带,门框上设有舱门提升机构和锁定机构安装接口,投水舱门一侧通过悬挂铰链铰接在飞机机体上,舱门门体扣接在排放口的密封带上;投水舱门设有提升机构,舱门的两端通过耳片与提升机构连接,提升机构含阻尼拉杆、具有快开、缓冲、自锁和解除自锁的功能;投水舱门设有锁定机构,舱门的另一侧通过锁销接头与锁定机构上的锁槽接合,锁定机构含凸轮、预位弹簧,具有防意外打开的功能;舱门悬挂铰链、提升机构和锁定机构布置在排放口处舱门密封区域的外侧、机身整流外形内侧。
External water throwing cabin door structure of airplane mechanism and airplane
一种飞机机构外置式投水舱门结构及飞机
2025-01-10
Patent
Electronic Resource
Chinese
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