CN-224225283-U - Cover plate structure and aircraft

CN224225283UCN 224225283 UCN224225283 UCN 224225283UCN-224225283-U

Abstract

The application relates to a cover plate structure and an aircraft. The cover plate structure comprises a cover plate body, an elastic piece and a locking part, wherein the cover plate body is arranged at a charging port of an aircraft body coaming and used for covering the charging port, the cover plate body is provided with a rotary connecting end and a turnover end, the rotary connecting end is used for being in rotary connection with the side part of the charging port, the turnover end can be turned around the rotary connecting end to open or close the charging port, the elastic piece is arranged at the rotary connecting end and used for providing reverse resilience force for the cover plate body, and the locking part is arranged at the turnover end and used for locking the cover plate body in a closed state. According to the scheme provided by the application, the motor can be locked at the charging port of the aircraft more stably, and the problem that the locking is invalid due to the fact that the locking force of the motor is difficult to resist the air flow force driven by the rotor wing and the generated negative pressure in the related art is avoided.

Inventors

HAO XUFEI
CHEN ZHIQIANG
LI YINGJIE
ZHANG LEI
LI HAIQUAN

Assignees

广东汇天航空航天科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250506

Claims (10)

1. A cover plate structure, comprising: The charging device comprises a cover plate body, a cover plate and a cover plate, wherein the cover plate body is arranged at a charging port of an aircraft body coaming and is used for covering the charging port; the device also comprises an elastic piece and a locking part; the elastic piece is arranged at the rotating connecting end and is used for providing reverse resilience force for the cover plate body; the locking part is arranged at the overturning end and used for locking the cover plate body in a closed state.
2. The cover plate structure according to claim 1, wherein: The cover plate body is turned over along the up-down direction, and when the cover plate body is in an open state, the cover plate body is turned over upwards and is stabilized at the limit position under the resilience force of the elastic piece.
3. The cover plate structure according to claim 1, wherein: The rotary connecting end is rotationally connected with the side part of the charging port through rotary shafts penetrating through two opposite sides of the cover plate body, the rotary shafts are fixed with the cover plate body, the elastic piece is sleeved on the rotary shafts, one end of the elastic piece is fixed relative to the body coaming, and the other end of the elastic piece is fixed relative to the cover plate body.
4. The cover plate structure according to claim 1, wherein: The locking part comprises a first locking piece and a second locking piece, wherein the first locking piece is arranged in the cover plate body, the second locking piece is arranged in the charging port and is opposite to the first locking piece, when the cover plate body is closed, the first locking piece is locked with the second locking piece, when the cover plate body is opened, the first locking piece is separated from the second locking piece, the second locking piece is in transmission connection with a driving piece, and the driving piece is used for driving the second locking piece to move to different states so that the second locking piece is locked with or separated from the first locking piece under different states.
5. A cover structure according to claim 3, wherein: The end part of the rotating shaft is provided with a damping device coaxially connected with the rotating shaft, and the damping device is used for inhibiting inertial impact of the cover plate body caused by gravity acceleration and inhibiting resilience force of the elastic piece.
6. A cover structure according to claim 3, wherein: The two ends of the rotating shaft and the locking parts are positioned at three vertexes of the virtual isosceles triangle, the rotating shaft is positioned at the bottom edge of the virtual isosceles triangle, the locking parts are positioned at the vertexes of the virtual isosceles triangle, and the gravity center of the cover plate body is positioned at the center point of the virtual isosceles triangle.
7. The cover structure of claim 6, wherein: the area of the virtual isosceles triangle is larger than 50% of the area of the cover plate body.
8. The cover plate structure according to claim 1, wherein: The charging port is formed by recessing a local area of the body coaming towards the inner side of the body, the cover plate body covers the recessed area, a closed cavity is enclosed by the cover plate body, the bottom wall and the side wall of the recessed area, and the interface component of the charging port is accommodated in the closed cavity; A gap is formed between the peripheral ring of the cover plate body and the side wall of the opening of the concave area, a sealing lip made of soft materials is arranged on the peripheral ring of the cover plate body, and when the cover plate body is in a closed state, the sealing lip is used for being in contact with the side wall of the opening so as to fill the gap.
9. The cover plate structure according to claim 1, wherein: when the cover plate body is closed, a negative difference of a set size is formed between the outer surface of the cover plate body and the outer surface of the body coaming, and the negative difference is used for enabling air flow passing through the body coaming to generate pressure acting on the locking direction of the cover plate body.
10. An air-craft having the function of a vehicle, characterized by comprising the following steps: Fuselage and fuselage bounding wall, the fuselage bounding wall is equipped with the mouth that charges in the settlement position, the mouth department that charges is equipped with the apron structure of any one of claims 1-9.

Description

Cover plate structure and aircraft Technical Field The application relates to the technical field of aviation, in particular to a cover plate structure and an aircraft. Background The cover plate structure of the aircraft is a mechanical protection device which is arranged outside the aircraft body and used for protecting the charging interface, and the cover plate structure is used for sealing the charging interface when the aircraft flies or parks, so that rainwater, dust and foreign matters are prevented from entering, and short circuit or corrosion of a circuit is avoided. In the related art, the cover plate of the cover plate structure can be connected to the charging port of the coaming plate of the airframe in a turnover manner, and is rotated by motor drive and locked by the locking force of the motor, however, when the rotating speed of the rotor of the aircraft is increased, the locking force of the motor is difficult to resist the air flow force driven by the rotor and the generated negative pressure when the aircraft is about to leave the ground, so that the cover plate is easily lifted by upward air flow, the locking function of the cover plate structure is invalid, and the charging port is completely exposed to the air. Disclosure of utility model In order to solve or partially solve the problems in the related art, the application provides a cover plate structure and an aircraft, which can be locked at a charging port of the aircraft more stably, and avoid the problem that the locking is invalid due to the fact that the locking force of a motor is difficult to resist the air flow force driven by a rotor wing and the generated negative pressure in the related art. A first aspect of the present application provides a cover plate structure, including: The charging device comprises a cover plate body, a cover plate and a cover plate, wherein the cover plate body is arranged at a charging port of an aircraft body coaming and is used for covering the charging port; the device also comprises an elastic piece and a locking part; the elastic piece is arranged at the rotating connecting end and is used for providing reverse resilience force for the cover plate body; the locking part is arranged at the overturning end and used for locking the cover plate body in a closed state. In one implementation mode, the rotary connecting end is arranged on the upper side of the charging port, the overturning end is arranged on the lower side of the charging port, the cover plate body overturns in the vertical direction, and when the cover plate body is in an open state, the cover plate body overturns upwards and is stabilized at the limit position under the resilience force of the elastic piece. In one implementation mode, the rotary connecting end is rotationally connected with the side part of the charging port through rotary shafts penetrating through two opposite sides of the cover plate body, the rotary shafts are fixed with the cover plate body, the elastic piece is sleeved on the rotary shafts, one end of the elastic piece is fixed relative to the body coaming, and the other end of the elastic piece is fixed relative to the cover plate body. In one implementation mode, the locking part comprises a first locking piece arranged in the cover plate body and a second locking piece arranged in the charging port and at the position opposite to the first locking piece, when the cover plate body is closed, the first locking piece is locked with the second locking piece, when the cover plate body is opened, the first locking piece is separated from the second locking piece, the second locking piece is in transmission connection with a driving piece, and the driving piece is used for driving the second locking piece to move to different states so as to enable the second locking piece to be locked or separated from the first locking piece in different states. In one implementation manner, the end part of the rotating shaft is provided with a damping device coaxially connected with the rotating shaft, and the damping device is used for inhibiting inertial impact of the cover plate body caused by gravity acceleration and inhibiting resilience force of the elastic piece. In one implementation mode, the two ends of the rotating shaft and the locking parts are positioned at three vertexes of a virtual isosceles triangle, the rotating shaft is positioned at the bottom edge of the virtual isosceles triangle, the locking parts are positioned at the vertexes of the virtual isosceles triangle, and the gravity center of the cover plate body is positioned at the center point of the virtual isosceles triangle. In one implementation, the area of the virtual isosceles triangle is greater than 50% of the area of the cover plate body. In one implementation mode, the charging port is formed by recessing a local area of the body coaming towards the inner side of the body, the cover plate body covers the recessed area, a closed cavity is