CN112412184B

CN112412184B - Lock mechanism

Info

Publication number: CN112412184B
Application number: CN202011267949.XA
Authority: CN
Inventors: 张旭; 毕世权; 张东辉; 孙青良; 王云俊; 孙彦鹏
Original assignee: Shenyang Aircraft Design and Research Institute Aviation Industry of China AVIC
Current assignee: Shenyang Aircraft Design and Research Institute Aviation Industry of China AVIC
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-10-01
Anticipated expiration: 2040-11-13
Also published as: CN112412184A

Abstract

The present application relates specifically to a lock mechanism, including: a locking ring; a lock head; the locking mechanism can be used as a cabin cover lock of the aircraft wing folding mechanism cabin, when the locking mechanism is used as the cabin cover lock of the aircraft wing folding mechanism cabin, the locking ring can be connected to the aircraft wing folding mechanism cabin cover, the motor is fixed in the aircraft wing folding mechanism cabin, when the locking head extends into the locking ring, the locking of the aircraft wing folding mechanism cabin cover is realized, and at the moment, the aircraft wing folding mechanism cabin cover is closed and cannot be opened; when the lock head is separated from the lock ring, the airplane wings are unlocked, and the cabin cover of the airplane wing folding mechanism can be opened at the moment.

Description

Lock mechanism

Technical Field

The application belongs to the technical field of cabin cover lock design of aircraft wing folding mechanisms, and particularly relates to a lock mechanism.

Background

The cabin cover of the aircraft wing folding mechanism is locked and unlocked through the lock mechanism, and the current cabin cover lock is complex in structure, heavy in weight, large in size, and difficult to arrange in limited space of the cabin of the aircraft wing folding mechanism, and in addition, the load carrying capacity of the current cabin cover lock is limited, so that the requirement of the cabin cover of the aircraft wing folding mechanism, which cannot be well met, for transferring loads is met.

The present application has been made in view of the above-mentioned technical drawbacks.

It should be noted that the above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and the above background disclosure should not be used for evaluating the novelty and inventive step of the present application without explicit evidence to suggest that the above content is already disclosed at the filing date of the present patent application.

Disclosure of Invention

It is an object of the present application to provide a lock mechanism to overcome or mitigate at least one of the technical disadvantages of the known prior art.

The technical scheme of the application is as follows:

a lock mechanism, comprising:

a locking ring;

a lock head;

and the motor is connected with the lock head to drive the lock head to rotate, so that the lock head extends into the lock ring or is separated from the lock ring.

According to at least one embodiment of the present application, the lock mechanism further includes:

the positioning block is provided with a limiting hole;

the limiting spring is arranged in the limiting hole;

the limiting ball is partially sunk into the limiting hole and is connected with the limiting spring;

the limiting block is connected with the motor and can rotate under the driving of the motor, so that the limiting block can be abutted against the limiting ball and extrude the limiting ball to enable the limiting ball to compress the limiting spring to be immersed into the limiting hole or be separated from the limiting ball to enable the limiting ball to protrude out of the limiting hole under the pushing of the limiting spring;

when the lock head extends into the lock ring, the limiting block is positioned at one side of the limiting ball;

when the lock head is separated from the lock ring, the limiting block is positioned at the other side of the limiting ball.

According to at least one embodiment of the present application, in the lock mechanism, there are a plurality of limiting holes, and a plurality of corresponding limiting springs and limiting balls.

According to at least one embodiment of the present application, in the lock mechanism, the positioning block has a positioning cavity and a positioning hole communicated with the positioning cavity;

the motor is arranged in the positioning cavity;

the lock mechanism further includes:

and one end of the driving shaft penetrates through the positioning hole to be connected with the motor so as to be driven by the motor to rotate, the other end of the driving shaft is connected with the lock head, and the outer wall of the driving shaft is connected with the limiting block.

According to at least one embodiment of the present application, in the lock mechanism, the positioning block is provided with a positioning protrusion; the positioning protrusion is provided with a through hole;

the drive shaft is disposed through the through hole.

According to at least one embodiment of the application, in the lock mechanism, the positioning protrusion is located between the lock head and the limiting block.

The application has at least the following beneficial technical effects:

when the locking mechanism is used as a cabin cover lock of an airplane wing folding mechanism cabin, a locking ring can be connected to the airplane wing folding mechanism cabin cover, a motor is fixed in the airplane wing folding mechanism cabin, when a lock head extends into the locking ring, the locking of the airplane wing folding mechanism cabin cover is realized, and at the moment, the airplane wing folding mechanism cabin cover is closed and cannot be opened; when the lock head is separated from the lock ring, the airplane wings are unlocked, and the cabin cover of the airplane wing folding mechanism can be opened at the moment.

The lock mechanism mainly comprises the lock ring, the lock head and the motor, is simple in structure, light in weight and small in size, can easily fly in the limited space of the aircraft wing folding mechanism cabin, has good bearing capacity, and can meet the load transmission requirement of the aircraft wing folding mechanism cabin cover.

Drawings

FIG. 1 is a schematic view of a lock mechanism lock head extending into a shackle provided by an embodiment of the present application;

FIG. 2 is a schematic view of a lock cylinder of a lock mechanism disengaging a shackle provided by an embodiment of the present application;

FIG. 3 is a schematic view of a lock mechanism provided in an embodiment of the present application in cooperation with a hatch cover of a wing folding mechanism of an aircraft;

wherein:

1-a locking ring; 2-a lock head; 3, a motor; 4-positioning blocks; 5-a limit spring; 6-a limiting ball; 7-a limiting block; 8-a drive shaft; 9-positioning the protrusion; 10-aircraft wing folding mechanism hatch cover.

For the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; further, the drawings are for illustrative purposes, and terms describing positional relationships are limited to illustrative illustrations only and are not to be construed as limiting the patent.

Detailed Description

In order to make the technical solutions and advantages of the present application clearer, the technical solutions of the present application will be further clearly and completely described in the following detailed description with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are only some of the embodiments of the present application, and are only used for explaining the present application, but not limiting the present application. It should be noted that, for convenience of description, only the parts related to the present application are shown in the drawings, other related parts may refer to general designs, and the embodiments and technical features in the embodiments in the present application may be combined with each other to obtain a new embodiment without conflict.

In addition, unless otherwise defined, technical or scientific terms used in the description of the present application shall have the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", and the like used in the description of the present application, which indicate orientations, are used only to indicate relative directions or positional relationships, and do not imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed accordingly, and thus, should not be construed as limiting the present application. The use of "first," "second," "third," and the like in the description of the present application is for descriptive purposes only to distinguish between different components and is not to be construed as indicating or implying relative importance. The use of the terms "a," "an," or "the" and similar referents in the context of describing the application is not to be construed as an absolute limitation on the number, but rather as the presence of at least one. The use of the terms "comprising" or "including" and the like in the description of the present application is intended to indicate that the element or item preceding the term covers the element or item listed after the term and its equivalents, without excluding other elements or items.

Further, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are used in the description of the invention in a generic sense, e.g., connected as either a fixed connection or a removable connection or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements, and those skilled in the art can understand their specific meaning in this application according to the specific situation.

The present application is described in further detail below with reference to fig. 1 to 3.

A lock mechanism, comprising:

a locking ring 1;

a lock head 2;

and the motor 3 is connected with the lock head 2 to drive the lock head 2 to rotate, so that the lock head 2 extends into the lock ring 1 or is separated from the lock ring 1.

For the lock mechanism disclosed in the above embodiment, it can be understood by those skilled in the art that it can be used as a canopy lock of an airplane wing folding mechanism canopy, when it is used as the canopy lock of the airplane wing folding mechanism canopy, the lock ring 1 can be connected to the airplane wing folding mechanism canopy 1, the motor 3 is fixed in the airplane wing folding mechanism canopy, when the lock head 2 extends into the lock ring 1, the locking of the airplane wing folding mechanism canopy 1 is realized, and at this time, the airplane wing folding mechanism canopy 1 is closed and cannot be opened; when the lock head 2 is separated from the lock ring 1, the airplane wings are unlocked, and the cabin cover 1 of the airplane wing folding mechanism can be opened at the moment.

For the lock mechanism disclosed in the above embodiment, those skilled in the art can also understand that the lock mechanism mainly comprises a lock ring 1, a lock head 2 and a motor 3, and is simple in structure, light in weight, small in size, easy to fly in the limited space of the aircraft wing folding mechanism cabin, good in bearing capacity, and capable of meeting the load transmission requirement of the aircraft wing folding mechanism cabin cover 1.

In some optional embodiments, the lock mechanism further comprises:

the positioning block 4 is provided with a limiting hole;

a limit spring 5 arranged in the limit hole;

the limiting ball 6 is partially sunk into the limiting hole and is connected with the limiting spring 5;

the limiting block 7 is connected with the motor 3 and can rotate under the driving of the motor 3, so that the limiting block can be abutted against the limiting ball 6 to extrude the limiting ball 6, the limiting ball 6 compresses the limiting spring 5 to be immersed into the limiting hole, or the limiting ball 6 is separated from the limiting ball 6, and the limiting ball 6 protrudes out of the limiting hole under the pushing of the limiting spring 6;

when the lock head 2 extends into the lock ring 1, the limiting block 7 is positioned at one side of the limiting ball 6;

when the lock head is separated from the lock ring 1, the limiting block 7 is positioned at the other side of the limiting ball 6.

For the lock mechanism disclosed in the above embodiment, as can be understood by those skilled in the art, the limiting block 7 is driven by the motor 3 to rotate to abut against the limiting ball 6, so as to extrude the limiting ball 6, so that the limiting ball 6 compresses the limiting spring 5 to immerse into the limiting hole, and is in a transition state between the lock head 2 extending into the lock ring 1 and the lock head being out of the lock ring 1, when the lock head 2 extends into the lock ring 1, the limiting block 7 will deflect to one side of the limiting ball 6, and at this time, the limiting ball 6 protrudes out of the limiting hole, so that the rotation of the limiting block 7 can be avoided, and the reliability of locking the cabin cover 1 of the aircraft wing folding mechanism can be ensured; when the lock head is separated from the lock ring 1, the limiting block 7 deflects to the other side of the limiting ball 6, so that the rotation of the limiting block 7 can be avoided, and the effectiveness of unlocking the cabin cover 1 of the aircraft wing folding mechanism is ensured.

In some alternative embodiments, in the lock mechanism, there are a plurality of limiting holes and corresponding limiting springs 5 and limiting balls 6, and specifically, there may be two limiting holes and corresponding limiting springs 5 and limiting balls 6.

In some alternative embodiments, in the above-mentioned lock mechanism, the positioning block 4 has a positioning cavity and a positioning hole communicated with the positioning cavity;

the motor 3 is arranged in the positioning cavity;

the lock mechanism further includes:

and one end of the driving shaft 8 penetrates through the positioning hole to be connected with the motor 3 so as to be driven by the motor to rotate, the other end of the driving shaft is connected with the lock head 2, and the outer wall of the driving shaft is connected with the limiting block 7.

For the lock mechanism disclosed in the above embodiment, as can be understood by those skilled in the art, the motor 3 is disposed in the positioning cavity of the positioning block 4, so that the structure is compact and stable, and in addition, the motor 3 can be protected from being damaged, and in this structure, the motor 3 drives the lock head 2 and the limiting block 7 to rotate through the driving shaft 8.

In some alternative embodiments, in the above-mentioned lock mechanism, the positioning block 4 has a positioning projection 9 thereon; the positioning protrusion 9 is provided with a through hole;

the drive shaft 8 is disposed through the through hole.

In some alternative embodiments, the locking mechanism described above has the locating projection 9 located between the locking head 2 and the stop 7.

The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

Having thus described the present application in connection with the preferred embodiments illustrated in the accompanying drawings, it will be understood by those skilled in the art that the scope of the present application is not limited to those specific embodiments, and that equivalent modifications or substitutions of related technical features may be made by those skilled in the art without departing from the principle of the present application, and those modifications or substitutions will fall within the scope of the present application.

Claims

1. A lock mechanism, comprising:

a locking ring (1);

a lock head (2);

the motor (3) is connected with the lock head (2) and can drive the lock head (2) to rotate, so that the lock head (2) extends into the lock ring (1) or is separated from the lock ring (1);

the positioning block (4) is provided with a limiting hole;

a limit spring (5) arranged in the limit hole;

the limiting ball (6) is partially sunk into the limiting hole and is connected with the limiting spring (5);

the limiting block (7) is connected with the motor (3) and can rotate under the driving of the motor (3), so that the limiting block can be abutted against the limiting ball (6) to press the limiting ball (6), the limiting ball (6) compresses the limiting spring (5) to be immersed into the limiting hole, or the limiting ball (6) is separated from the limiting ball, and the limiting ball (6) is pushed by the limiting spring (6) to protrude out of the limiting hole;

when the lock head (2) extends into the lock ring (1), the limiting block (7) is positioned on one side of the limiting ball (6);

when the lock head is separated from the lock ring (1), the limiting block (7) is positioned at the other side of the limiting ball (6).

2. The lock mechanism of claim 1,

the limiting holes and the corresponding limiting springs (5) and limiting balls (6) are multiple.

3. The lock mechanism of claim 1,

the positioning block (4) is provided with a positioning cavity and a positioning hole communicated with the positioning cavity;

the motor (3) is arranged in the positioning cavity;

the lock mechanism further includes:

and one end of the driving shaft (8) penetrates through the positioning hole to be connected with the motor (3) so as to be driven by the motor to rotate, the other end of the driving shaft is connected with the lock head (2), and the outer wall of the driving shaft is connected with the limiting block (7).

4. The lock mechanism of claim 3,

the positioning block (4) is provided with a positioning protrusion (9); the positioning protrusion (9) is provided with a through hole;

the driving shaft (8) penetrates through the through hole.

5. The lock mechanism of claim 4,

the positioning protrusion (9) is positioned between the lock head (2) and the limiting block (7).