CN112478128A - Retraction mechanism and cabin door structure thereof - Google Patents
Retraction mechanism and cabin door structure thereof Download PDFInfo
- Publication number
- CN112478128A CN112478128A CN202011388880.6A CN202011388880A CN112478128A CN 112478128 A CN112478128 A CN 112478128A CN 202011388880 A CN202011388880 A CN 202011388880A CN 112478128 A CN112478128 A CN 112478128A
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- China
- Prior art keywords
- frame structure
- cabin door
- arm
- door
- hinged
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- 230000007246 mechanism Effects 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/14—Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
- B64C1/1407—Doors; surrounding frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/14—Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
- B64C1/1407—Doors; surrounding frames
- B64C1/1415—Cargo doors, e.g. incorporating ramps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/14—Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
- B64C1/1407—Doors; surrounding frames
- B64C1/1423—Passenger doors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
- E05F15/53—Power-operated mechanisms for wings using fluid-pressure actuators for swinging wings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Hinges (AREA)
Abstract
The application specifically relates to a jack and hatch door structure thereof includes: a rocker arm having one end for connecting to the cabin door; one end of the first hinge arm is hinged with the other end of the rocker arm, and the other end of the first hinge arm is hinged to the cabin door frame structure; and one end of the second hinge arm is used for being hinged to the cabin door, and the other end of the second hinge arm is used for being hinged to the door frame structure of the cabin door. Furthermore, it relates to a door structure comprising: a cabin door; a hatch frame structure; the end of the rocker arm of the retraction mechanism, which is far away from the first hinge arm, is connected to the cabin door; one end of a first hinge arm in the retraction mechanism, which is far away from the rocker arm, is hinged to the cabin door frame structure; one end of a second hinge arm in the retraction mechanism is hinged to the cabin door, and the other end of the second hinge arm is hinged to a door frame structure of the cabin.
Description
Technical Field
The application belongs to the technical field of airplane cabin door folding and unfolding design, and particularly relates to a folding and unfolding mechanism and a cabin door structure thereof.
Background
Aircraft are often designed with a plurality of doors, such as aircraft cargo compartment doors, cabin doors, landing gear doors, etc., and the doors are opened and closed by a door opening and closing mechanism.
At present, the hatch door jack adopts single hinge point formula structural layout more, and this kind of hatch door jack simple structure, the technology is mature, receive and releases reliably, nevertheless has following defect:
1) the hinge point position arrangement of the cabin door folding and unfolding mechanism with the single structure layout is limited, in order to ensure that the cabin door can be smoothly opened, the hinge point position of the cabin door folding and unfolding mechanism must be close to the appearance of the airplane and far away from the near-axis section boundary of the cabin door, otherwise the cabin door is easy to interfere with the airplane body or the cabin door frame structure in the opening process, and the cabin door cannot be smoothly opened, as shown in fig. 1;
2) the cabin door folding and unfolding mechanism with the single structural layout is applied, the cabin door only rotates around a single hinge point in the opening process, the rotating angle is large, the windward area of the cabin door is large, and as shown in fig. 2, the drag on an airplane is serious when the airplane flies.
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 application.
Disclosure of Invention
The object of the present application is to provide a retraction mechanism and a hatch door structure thereof, which overcome or alleviate at least one of the technical drawbacks of the known prior art.
The technical scheme of the application is as follows:
one aspect provides a retracting mechanism, including:
a rocker arm having one end for connecting to the cabin door;
one end of the first hinge arm is hinged with the other end of the rocker arm, and the other end of the first hinge arm is hinged to the cabin door frame structure;
and one end of the second hinge arm is used for being hinged to the cabin door, and the other end of the second hinge arm is used for being hinged to the door frame structure of the cabin door.
According to at least one embodiment of the present application, the above-mentioned retraction/release mechanism further includes:
and the driving device is arranged on the cabin door frame structure and connected with the first hinge arm so as to drive the first hinge arm to rotate around the hinge part of the first hinge arm and the cabin door frame structure.
According to at least one embodiment of the present application, in the above-described retracting mechanism, the driving device includes:
the cylinder of the hydraulic cylinder is connected to the door frame structure, and the piston rod of the hydraulic cylinder is hinged with the first hinge arm.
Another aspect provides a door structure including:
a cabin door;
a hatch frame structure;
any of the above described retraction mechanisms having a swing arm connected to the door at an end remote from the first hinged arm; one end of a first hinge arm in the retraction mechanism, which is far away from the rocker arm, is hinged to the cabin door frame structure; one end of a second hinge arm in the retraction mechanism is hinged to the cabin door, and the other end of the second hinge arm is hinged to a cabin door frame structure; the cylinder body of the hydraulic actuating cylinder in the retraction mechanism is connected with the cabin door frame structure.
According to at least one embodiment of the present application, in the door structure, the door is a door on an aircraft;
the cabin door frame structure is a cabin door frame structure on an airplane.
Drawings
Fig. 1 is a schematic diagram of a door retraction and release mechanism using a unitary structural layout according to an embodiment of the present application interfering with a fuselage during a door opening process;
fig. 2 is a schematic view of the door opening and closing mechanism using a unitary structural layout according to an embodiment of the present application;
fig. 3 is a schematic view of a retraction mechanism provided in an embodiment of the present application when a cabin door is closed;
fig. 4 is a schematic view of a retraction mechanism provided in an embodiment of the present application when a cabin door is opened;
wherein:
1-a rocker arm; 2-a cabin door; 3-a first articulated arm; 4-a door frame structure; 5-a second articulated arm;
6-a hydraulic actuator cylinder; 7-fuselage.
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 word "comprising" or "comprises", and the like, when used in this description, is intended to specify the presence of stated elements or items, but not the exclusion of 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 4.
One aspect provides a retracting mechanism, including:
a rocker arm 1 having one end connected to the cabin door 2;
a first hinge arm 3, one end of which is hinged with the other end of the rocker arm 1, and the other end of which is hinged to the cabin door frame structure 4;
a second hinge arm 5 is provided with one end for hinging to the cabin door 2 and the other end for hinging to the door frame structure 4.
With respect to the retraction mechanism disclosed in the above embodiments, it can be understood by those skilled in the art that when the retraction mechanism is used as a door retraction mechanism, the first hinge arm 3 can rotate around its hinge point with the door frame structure 4, and can drive the swing arm 1 and the door 2 to move, so as to open and close the door 2.
With regard to the retracting mechanism disclosed in the above embodiments, it can be further understood by those skilled in the art that when the retracting mechanism is used as a door retracting mechanism, in the process of opening and closing the door 4, the door 4 is driven by the first hinge arm 3 through the rocker arm 1 to move, and simultaneously rotates around the hinge point of the second hinge arm 5 and the door frame structure 4, that is, the door 4 can perform a combined motion of translation and rotation in the process of opening and closing, and can be opened and closed only by rotating a small angle.
As for the retraction mechanism disclosed in the above embodiment, it can be further understood by those skilled in the art that when the retraction mechanism is used as a retraction mechanism for a cabin door, the cabin door 4 is opened and closed in a translational and rotational combined motion, the cabin door 4 can be opened and closed only by rotating a small angle, and is not easily interfered with a cabin door frame structure, the first hinge arm 3 can be limited to the hinge joint of the cabin door frame structure 4, and the hinge joint of the second hinge arm 5 and the cabin door frame structure 4, and when the retraction mechanism is applied to the technology in the field, the cabin door 4 can be smoothly opened and closed by reasonably designing the lengths of the rocker arm 1, the first hinge arm 3 and the second hinge arm 5 according to the specific practical design of the hinge joint of the first hinge arm 3 and the cabin door frame structure 4 and the hinge joint of the second hinge arm 5 and the cabin door frame structure 4.
In some optional embodiments, the above retraction/release mechanism further includes:
and the driving device is arranged on the door frame structure 4 and connected with the first hinge arm 3 so as to drive the first hinge arm 3 to rotate around the hinge joint of the first hinge arm 3 and the door frame structure 4.
With respect to the retraction mechanism disclosed in the above embodiments, it will be understood by those skilled in the art that when the retraction mechanism is used as a door, the driving device can drive the first hinge arm 3 to rotate around the hinge point between the first hinge arm 3 and the door frame structure 4, so as to provide power for opening and closing the door 2.
In some optional embodiments, in the above-mentioned retracting mechanism, the driving device includes:
a hydraulic ram 6, the cylinder of which is intended to be connected to the door frame structure 4, the piston rod of which is articulated to the first articulated arm 3.
Another aspect provides a door structure including:
a cabin door 2;
a cabin door frame structure 4;
any of the above described stowing and releasing mechanisms, the end of the swing arm 1 remote from the first hinge arm 3 is connected to the cabin door 2; one end of a first hinge arm 3 in the retraction mechanism, which is far away from the rocker arm 1, is hinged to a cabin door frame structure 4; one end of a second hinge arm 5 in the retraction mechanism is hinged to the cabin door 2, and the other end is hinged to a cabin door frame structure 4; the cylinder body of the hydraulic actuating cylinder 6 in the retraction mechanism is connected with the cabin door frame structure 4.
For the cabin door structure disclosed in the above embodiment, those skilled in the art can understand that the cabin door structure includes the retraction mechanism disclosed in the above embodiment, and the description is relatively simple, and specific relevant points can be referred to the description of relevant parts of the retraction mechanism, and the technical effects thereof can also be referred to the technical effects of the relevant parts of the retraction mechanism, and are not described herein again.
In some alternative embodiments, in the above door structure, the door 2 is a door on an airplane;
the door frame structure 4 is a door frame structure on an aircraft.
For the cabin door structure disclosed in the above embodiments, it can be understood by those skilled in the art that the retraction mechanism disclosed in the embodiments of the present application is applied to the cabin door of an airplane, so as to overcome the defects that the arrangement of the hinge points of the cabin door retraction mechanism with a single structural layout on the airplane is limited, and the cabin door is rotated only around a single hinge point in the opening process, and the rotation angle is large, which results in a large windward area of the cabin door.
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 (5)
1. A radio mechanism, comprising:
a rocker arm (1) having one end for connection to a cabin door (2);
a first hinge arm (3) having one end hinged to the other end of the rocker arm (1) and the other end for being hinged to a door frame structure (4);
a second hinge arm (5) having one end for hinging to the cabin door (2) and the other end for hinging to the door frame structure (4).
2. The retracting mechanism according to claim 1,
further comprising:
the driving device is arranged on the door frame structure (4) and connected with the first hinged arm (3) so as to drive the first hinged arm (3) to rotate around the hinged position of the first hinged arm (3) and the door frame structure (4).
3. The retracting mechanism according to claim 2,
the driving device includes:
a hydraulic ram (6) whose cylinder is intended to be connected to the door frame structure (4) and whose piston rod is articulated to the first articulated arm (3).
4. A door structure, comprising:
a hatch door (2);
a hatch frame structure (4);
a mechanism as claimed in any one of claims 1 to 3, wherein the rocker arm (1) is connected to the hatch (2) at the end remote from the first articulated arm (3); one end of a first hinge arm (3) in the retraction mechanism, which is far away from the rocker arm (1), is hinged to the hatch frame structure (4); a second articulated arm (5) of the retraction mechanism is articulated at one end to the hatch (2) and at the other end to the hatch frame structure (4); the cylinder body of the hydraulic actuating cylinder (6) in the retraction mechanism is connected with the cabin door frame structure (4).
5. Door structure according to claim 4,
the cabin door (2) is a cabin door on an airplane;
the cabin door frame structure (4) is a cabin door frame structure on an airplane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011388880.6A CN112478128A (en) | 2020-12-02 | 2020-12-02 | Retraction mechanism and cabin door structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011388880.6A CN112478128A (en) | 2020-12-02 | 2020-12-02 | Retraction mechanism and cabin door structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112478128A true CN112478128A (en) | 2021-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011388880.6A Pending CN112478128A (en) | 2020-12-02 | 2020-12-02 | Retraction mechanism and cabin door structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112478128A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117550059A (en) * | 2023-10-24 | 2024-02-13 | 湖南山河华宇航空科技有限公司 | Aircraft tail hatch door |
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|---|---|---|---|---|
| US4601446A (en) * | 1983-09-29 | 1986-07-22 | The Boeing Company | Aircraft door counterbalance system |
| EP0330813A2 (en) * | 1988-03-02 | 1989-09-06 | Deutsche Aerospace Airbus Gesellschaft mit beschränkter Haftung | Opening device for an aircraft freight door |
| US20050211848A1 (en) * | 2004-02-13 | 2005-09-29 | Airbus France | Landing gear door with controlled kinematic control |
| WO2006010437A1 (en) * | 2004-07-26 | 2006-02-02 | Eurocopter Deutschland Gmbh | Aircraft door arrangement comprising a pivotable aircraft door |
| CN206417207U (en) * | 2017-01-17 | 2017-08-18 | 上海波客实业有限公司 | A kind of new unmanned plane cargo hold |
| CN110844043A (en) * | 2019-10-25 | 2020-02-28 | 中航西飞民用飞机有限责任公司 | Retraction mechanism of aircraft maintenance cabin door |
-
2020
- 2020-12-02 CN CN202011388880.6A patent/CN112478128A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4601446A (en) * | 1983-09-29 | 1986-07-22 | The Boeing Company | Aircraft door counterbalance system |
| EP0330813A2 (en) * | 1988-03-02 | 1989-09-06 | Deutsche Aerospace Airbus Gesellschaft mit beschränkter Haftung | Opening device for an aircraft freight door |
| US20050211848A1 (en) * | 2004-02-13 | 2005-09-29 | Airbus France | Landing gear door with controlled kinematic control |
| WO2006010437A1 (en) * | 2004-07-26 | 2006-02-02 | Eurocopter Deutschland Gmbh | Aircraft door arrangement comprising a pivotable aircraft door |
| CN206417207U (en) * | 2017-01-17 | 2017-08-18 | 上海波客实业有限公司 | A kind of new unmanned plane cargo hold |
| CN110844043A (en) * | 2019-10-25 | 2020-02-28 | 中航西飞民用飞机有限责任公司 | Retraction mechanism of aircraft maintenance cabin door |
Non-Patent Citations (2)
| Title |
|---|
| 星泽机械: "《四连杆车库门，4连杆门。#机械原理》", Retrieved from the Internet <URL:抖音视频> * |
| 王小锋、张威、吴林、李田囡: "飞翼型飞机主起落架与舱门联动收放机构设计", 机电工程技术, vol. 40, no. 11, 15 November 2011 (2011-11-15), pages 71 - 73 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117550059A (en) * | 2023-10-24 | 2024-02-13 | 湖南山河华宇航空科技有限公司 | Aircraft tail hatch door |
| CN117550059B (en) * | 2023-10-24 | 2024-06-11 | 湖南山河华宇航空科技有限公司 | Aircraft tail hatch door |
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