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Internal and external opening handle of hatch cover and opening method

A technology of inner handle and outer handle, applied in the direction of handle connection, wing handle, door/window accessories, etc., can solve the problem that the hatch cover cannot be opened from the outside of the aircraft, so as to reduce the impact, the mechanism is simple and reliable, and the transmission movement is stable Effect

Inactive Publication Date: 2021-06-15
中航西飞民用飞机有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems existing in the prior art, the present invention proposes an internal and external opening handle and opening method of the hatch cover, a hatch cover mechanism that can be opened inside and outside, so as to solve the problem that the current hatch cover cannot be opened from the outside of the aircraft

Method used

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  • Internal and external opening handle of hatch cover and opening method
  • Internal and external opening handle of hatch cover and opening method
  • Internal and external opening handle of hatch cover and opening method

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Embodiment Construction

[0026] Referring to the accompanying drawings, the internal and external opening handles of the hatch cover of the present application include an inner handle 3, an outer handle 1, a rotating shaft 2 and a lock pin 5. The inner handle 3 is connected to one end of the rotating shaft 2, and the outer handle 1 is connected to the end of the rotating shaft 2. The other end, locking pin 5 is connected on the rotating shaft 2, and one end of rotating shaft 2 and outer handle 1 are positioned at the outside of hatch 16, and the other end of rotating shaft 2 and inner handle 3 and locking pin 5 are positioned at the inboard of hatch 16.

[0027] The connecting end of the rotating shaft 2 and the outer handle 1 is an arc-shaped boss 10, and the end of the outer handle 1 is provided with an arc-shaped cavity 11 corresponding to the arc-shaped boss 10, and the arc of the arc-shaped cavity 11 The shape length is twice that of the arc-shaped boss 10, and the arc-shaped boss 10 of the rotati...

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Abstract

The invention discloses an internal and external opening handle of a hatch cover and an opening method. The internal and external opening handle comprises an inner handle, an outer handle, a rotating shaft and a lock pin, wherein the inner handle is connected to one end of the rotating shaft; the outer handle is connected to the other end of the rotating shaft; the lock pin is connected to the rotating shaft; one end of the rotating shaft and the outer handle are located at the outer side of the hatch cover; the other end of the rotating shaft, the inner handle and the lock pin are located at the inner side of the hatch cover. When the hatch cover of an airplane is in a closed state, the hatch cover is opened through the inner handle under normal conditions, the inner handle is not linked with the outer handle, and the withdrawing state of the outer handle is kept; and in emergency, the hatch cover is opened through the outer handle.

Description

technical field [0001] The invention relates to the technology in the field of aircraft design, in particular to an inner and outer opening handle and an opening method of a hatch cover. Background technique [0002] Airworthiness CCAR-25-R4 Part 25.809(b) stipulates that each emergency exit of an aircraft must be able to be opened from both inside and outside, but if other approved exits can be easily and quickly approached from the flight crew area, the exits in this area Sliding movable window emergency exits need not be able to be opened from the outside. [0003] The emergency exit of the cockpit of a certain type of aircraft is located on the top of the cockpit, and is equipped with a hatch cover, which can only be opened and closed from the inside of the cabin, and cannot be opened from the outside. Under normal circumstances, crew members can move the lock pin out of the lock pin seat hole by pulling the inner handle on the hatch cover in the engine compartment and ...

Claims

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Application Information

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IPC IPC(8): E05B3/00E05B5/02E05B65/00B64C1/14
CPCB64C1/14E05B3/00E05B5/00E05B65/00
Inventor 李君强赵轲辉赵兵
Owner 中航西飞民用飞机有限责任公司
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