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
CN112963053AInactive Publication Date: 2021-06-15中航西飞民用飞机有限责任公司
9 Cites 4 Cited by

Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
中航西飞民用飞机有限责任公司
Publication Date
2021-06-15
Estimated Expiration
Not applicable · inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

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.
Need to check novelty before this filing date? Find Prior Art

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

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More