CN204299295U - A kind of aircraft door handle mechanism - Google Patents

Abstract

The utility model belongs to the design technology of an aircraft cabin door lock mechanism and relates to an aircraft cabin door handle mechanism. The handle mechanism includes a handle (2), a card seat (5), a limit joint (8), a limit pin (6), and a spring (7); the limit joint (8) is fixedly connected to the hatch arm (3), the inside of the lug of the limit joint (8) has a spherical groove; the inside of the handle (2) is equipped with a limit pin (6) and a spring (7), and the end of the limit pin (6) is spherical, and The groove of the limit joint (8) is matched; the limit pin (6) is in contact with the spring (7); and the clamp (5) is fixed on the fuselage. The utility model has the advantages of novel principle, simple structure, compact and ingenious arrangement.

Description

Aircraft cabin door handle mechanism

technical field

The utility model belongs to the design technology of an aircraft cabin door lock mechanism and relates to an aircraft cabin door handle mechanism.

Background technique

As the power input terminal for manual opening of the aircraft door, the handle is an integral part of the entire door mechanism. The most common design method at present is that the handle is fixedly connected with the hatch arm on the mechanism, so as to achieve the purpose of driving the mechanism through the handle. But for the roller slide rail type hatch, due to the particularity of its motion law, this kind of handle design method cannot completely solve the opening and closing requirements of this type of hatch. As shown in Figure 1 and Figure 2: when the handle 2 and the hatch arm 3 are fixedly connected in this way, since the roller 4 on the hatch arm 3 slides along the track 1, the hatch arm 3 will rotate , causing the handle 2 to follow the hatch arm 3 to rotate continuously, which is not convenient for the operator to hold and increases the difficulty of opening the hatch; if it is fixedly connected as shown in Figure 3 and Figure 4, although the handle holding problem can be solved , but the handle 2 is always in a suspended state, which is likely to cause misoperation and pose a safety hazard. It also takes up too much space in the cabin and may affect the observation sight of the people in the cabin.

Utility model content

The purpose of the utility model is to provide a handle mechanism corresponding to the aircraft cabin door that takes up less space and is easy to hold and operate.

The technical scheme of the utility model is: a handle mechanism of an aircraft cabin door, which is characterized in that: the handle mechanism includes a handle 2, a card seat 5, a limit joint 8, a limit pin 6, and a spring 7; the limit joint 8 is fixedly connected to the door support arm 3, and there is a spherical groove inside the lug of the limit joint 8; the limit pin 6 and the spring 7 are installed inside the handle 2, and the end of the limit pin 6 is spherical, and is connected with the limit joint 8. The groove fits; the limit pin 6 is in contact with the spring 7; the card seat 5 is fixed on the fuselage.

The utility model has the advantages that: the utility model is a handle mechanism corresponding to a roller slide rail-type movable hatch, which has a novel principle, a simple structure, and a compact and ingenious layout; wherein the handle has a built-in limit mechanism that can switch states, so that the handle During the sliding process of the hatch, it is not affected by the rotation of the arm of the hatch, and is always easy to hold by hand, saving labor; when the hatch is closed, it can be reliably stowed away, effectively preventing misoperation, and satisfies the requirements of the handle. Design requirements.

Description of drawings

Fig. 1 is a schematic diagram of the forward structure of prior art 1;

Among them, 1-sliding rail, 2-handle, 3-door support arm.

Fig. 2 is a schematic diagram of the lateral structure of prior art 1;

Among them, 1-sliding rail, 2-handle, 3-door support arm, 4-roller.

Fig. 3 is a schematic diagram of the forward structure of prior art 2;

Among them, 1- slide rail, 3- hatch arm.

Fig. 4 is a schematic diagram of the lateral structure of prior art 2;

Among them, 1-sliding rail, 2-handle, 3-door support arm, 4-roller.

Fig. 5 is a schematic diagram of the forward structure of the utility model;

Among them, 1-sliding rail, 2-handle, 3-door support arm, 5-cassette.

Fig. 6 is a partial cross-sectional schematic diagram of the utility model;

Among them, 1-sliding rail, 2-handle, 3-door support arm, 4-roller, 5-cassette, 6-limiting pin, 7-spring, 8-limiting joint.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail

Referring to Fig. 5 and Fig. 6, the mechanism is composed of a handle 2, a deck 5, a limit joint 8, a limit pin 6 and a spring 7. It is characterized in that the handle 2 has a built-in switchable limit mechanism, so that the handle 2 is not affected by the rotation of the door support arm 3 during the sliding process of the hatch door, and is always easy to hold by hand, and the operation is labor-saving; after the hatch door is closed, the handle 2 Reliable storage of the card in the card holder 5 not only effectively prevents misoperation but also takes up less space. Before installation, first confirm that the hatch support arm 3 has been adjusted in place, the limit pin 6 and the spring 7 have been pre-installed inside the handle 2, then install the limit joint 6 and the handle 2 in sequence, and carry out debugging to ensure that the handle 2 moves flexibly, There is no stagnation, and finally the handle 2 is put away, and the card seat 5 is installed according to the stowed position of the handle 2.

The working principle of the mechanism is as follows: when the handle 2 is in the retracted or opened state, the internal limit pin 6 is correspondingly stuck in the area where the depth of the limit joint groove is relatively large. Under the action of the spring force, the handle 2 is reliably locked. Restricted in stowed or open position. Turn the handle 2, the spring is compressed, and the end of the limit pin 6 slides along the spherical groove, which can realize the switching of the handle state.

Claims (1)

1. a kind of aircraft door handle mechanism is characterized in that: described handle mechanism comprises handle (2), deck (5), limit joint (8), limit pin (6), spring (7); The limit joint (8) is fixedly connected to the hatch support arm (3), and the lug of the limit joint (8) has a spherical groove inside; the limit pin (6) and spring (7) are installed inside the handle (2) , the end of the limit pin (6) is spherical and fits with the groove of the limit joint (8); the limit pin (6) is in contact with the spring (7); the clamp (5) is fixed on on the fuselage.