CN110359799B - Cabin door lifting mechanism of passenger plane - Google Patents
Cabin door lifting mechanism of passenger plane Download PDFInfo
- Publication number
- CN110359799B CN110359799B CN201810804291.8A CN201810804291A CN110359799B CN 110359799 B CN110359799 B CN 110359799B CN 201810804291 A CN201810804291 A CN 201810804291A CN 110359799 B CN110359799 B CN 110359799B
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- China
- Prior art keywords
- cabin door
- latch
- groove
- roller
- lifting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/16—Suspension arrangements for wings for wings sliding vertically more or less in their own plane
- E05D15/165—Details, e.g. sliding or rolling guides
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/16—Suspension arrangements for wings for wings sliding vertically more or less in their own plane
- E05D15/20—Suspension arrangements for wings for wings sliding vertically more or less in their own plane movable out of one plane into a second parallel plane
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/16—Suspension arrangements for wings for wings sliding vertically more or less in their own plane
- E05D15/22—Suspension arrangements for wings for wings sliding vertically more or less in their own plane allowing an additional movement
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
Abstract
The invention relates to a cabin door lifting mechanism of an airliner, which is structurally characterized in that a cabin door is hinged with a latch shaft, and the latch shaft is connected with a handle through a connecting rod; the two ends of the bolt shaft are connected with lugs, the lugs are connected with roller latches, a bolt slot corresponding to the position of the roller latches is arranged on the frame of the machine body, and the roller latches are in sliding connection with the bolt slot; a crank is fixedly connected with the center of the latch shaft and is connected with a lock hook through a connecting rod, and a hook part at the top of the lock hook is lapped with a sliding rod arranged in the opening mechanism; a pressure spring is arranged at the outer side end of the lock hook, one end of the pressure spring is hinged with the latch shaft, and the other end of the pressure spring is hinged with the cabin door; the cabin door is symmetrically provided with slide rails, the slide rails are provided with slide ways, and the slide rods are in sliding fit with the slide ways. The cabin door lifting mechanism of the passenger plane is a lifting mechanism integrated with a bolt, uses the bolt as lifting power, is matched with a connecting rod type lifting locking mechanism, is simple in mechanism, small in number of parts, light in weight and wide in application range, and is particularly suitable for being arranged on a cabin door with a narrow internal space.
Description
Technical Field
The invention relates to the field of cabin door mechanisms of passenger planes, in particular to a cabin door lifting mechanism of a passenger plane, which is arranged on a semi-blocking type cabin door and used for controlling the lifting motion of the cabin door.
Background
At present, the cabin door of the passenger plane is mostly a semi-blocking cabin door which is upwards and inwards lifted and outwards overturned and opened. To achieve the door lifting movement, it is usually necessary to design a complex set of lifting mechanisms, usually consisting of a cam mechanism and a four-bar mechanism. The cam mechanism controls the cabin door to lift and other mechanisms to move, the four-bar mechanism is connected with the cam mechanism and the opening mechanism, the four-bar mechanism is complex in structure, large in part number, important, large in size and limited in practical application.
Disclosure of Invention
The invention provides a cabin door lifting mechanism of a passenger plane, aiming at the defects of the prior art, the cabin door lifting mechanism of the passenger plane is a lifting mechanism integrated with a bolt, the bolt is used as lifting power, and a connecting rod type lifting locking mechanism is matched, so that the mechanism is simple, the number of parts is small, the weight is light, the application range is wide, and the cabin door lifting mechanism is suitable for being arranged on a cabin door with a narrow internal space.
The technical scheme adopted by the invention is as follows: a cabin door lifting mechanism of an airliner is characterized in that a cabin door is arranged on a frame of a machine body, a handle is arranged on the cabin door, the handle is connected with an opening mechanism on the cabin door, a latch shaft is hinged on the cabin door, and the latch shaft is connected with the handle through a connecting rod; the two ends of the bolt shaft are connected with lugs, the lugs are connected with roller latches, a bolt slot corresponding to the position of the roller latches is arranged on the frame of the machine body, and the roller latches are in sliding connection with the bolt slot; a crank is fixedly connected with the center of the latch shaft and is connected with a lock hook through a connecting rod, and a hook part at the top of the lock hook is lapped with a sliding rod arranged in the opening mechanism; a pressure spring is arranged at the outer side end of the lock hook, one end of the pressure spring is hinged with the latch shaft, and the other end of the pressure spring is hinged with the cabin door; the cabin door is symmetrically provided with slide rails, the slide rails are provided with slide ways, and the slide rods are in sliding fit with the slide ways.
The groove shape of the latch groove is a strip-shaped groove with an opening at the outer part.
Lifting guide rollers are symmetrically arranged on two sides of the cabin door, guide grooves are formed in the positions corresponding to the body frame, and the grooves of the guide grooves are inverted L-shaped grooves.
The cabin door is provided with a cabin door stop block, the body frame is provided with a body stop block, and the position of the body stop block corresponds to the position of the cabin door stop block.
A method for controlling a door lifting mechanism for a passenger aircraft, comprising the steps of:
1) opening the cabin door: the handle is pulled to rotate the latch shaft, the latch shaft rotates upwards by taking the roller latch at the end part as a center, so that the cabin door is lifted, meanwhile, the lifting guide roller is lifted upwards along the guide groove, and the slide rail is lifted upwards along the slide rod;
2) when the latch shaft continues to rotate, the roller latch moves outwards along the latch groove to realize outward opening of the cabin door, and after the cabin door is completely opened, the roller latch is separated from the latch groove, the guide roller is lifted to be separated from the guide groove, and the sliding rail slides towards the other end along the sliding rod;
3) in the lifting process of the cabin door, the cabin door stop block is hidden from the body stop block;
4) the latch shaft is further pulled by the pressure spring, so that the latch hook is hooked on the sliding rod, and the lifting and locking of the cabin door are realized;
5) the falling and closing of the cabin door: the handle is moved, the lock hook is separated from the sliding rod to be unlocked, and the roller latch is abutted against the upper surface of the latch groove to enable the cabin door to move downwards along the guide groove and the sliding rod until the cabin door reaches the closed position.
The cabin door lifting mechanism of the passenger plane adopts a four-bar mechanism, is driven by a latch shaft, and a pressure spring enables a latch hook to tightly hook a slide bar to prevent unhooking so as to improve the reliability of the mechanism.
The groove shape of the latch groove is a strip-shaped groove with an external opening, and the stroke of the middle part of the cabin door is limited. The guide groove adopts an inverted L-shaped groove to limit the middle lower part of the cabin door.
The cabin door is provided with a cabin door stop dog, and the body stop dog is arranged on the body frame, so that when the cabin door is closed, the two stop dogs are in contact to limit the position.
The control method of the cabin door lifting mechanism of the passenger plane adopts the steps, so that the reliability of the locking cabin door at the lifting position when the lifting is finished is improved.
Drawings
Figure 1 is a schematic view of the overall fit of a passenger aircraft door to a fuselage frame.
Fig. 2 is a schematic structural view of the lifting mechanism of the door of the passenger aircraft after the lifting is finished.
Figure 3 is a schematic illustration of an un-lifted configuration of a lift mechanism concealing a passenger aircraft door.
FIG. 4 is a schematic view of the structure of the latch and the latch groove.
Detailed Description
As shown in fig. 1 to 4, a cabin door lifting mechanism of a passenger plane is provided with a cabin door 3 on a body frame 6, a handle 12 is arranged on the cabin door 3, the handle 12 is connected with an opening mechanism 9 on the cabin door, a latch shaft 2 is hinged on the cabin door 3, and the latch shaft 2 is connected with the handle 12 through a connecting rod; the two ends of the latch shaft 2 are connected with lugs, the lugs are connected with roller latches 4, a latch slot 5 corresponding to the position of the roller latches 4 is arranged on the machine body frame 6, and the roller latches 4 are connected with the latch slot 5 in a sliding way; a crank 14 is fixedly connected to the center of the latch shaft 2, the crank 14 is connected with a latch hook 16 through a connecting rod 15, and a hook part at the top of the latch hook 16 is overlapped with a sliding rod 10 arranged in the opening mechanism 9; a pressure spring 19 is arranged at the outer side end of the lock hook 16, one end of the pressure spring 19 is hinged with the latch shaft 2, and the other end of the pressure spring is hinged with the cabin door 3; the cabin door 3 is symmetrically provided with slide rails 8, the slide rails 8 are provided with slide ways, and the slide rods 10 are in sliding fit with the slide ways. The pressure spring 19 is always in a compressed state in the whole movement process of the cabin door 3, the latch shaft 2 is driven to be kept in a latched state by the pressure spring 19 in an initial state of a closing position, when the latch shaft 2 rotates to be collinear with the joint points of two ends of the pressure spring 19, the pressure spring 19 is in an overcenter critical position, the latch shaft 2 continues to rotate, and after the pressure spring 19 is overcenter, the latch shaft 2 is driven to be unlatched and the auxiliary cabin door is lifted, so that the cabin door lifting handle force is reduced; the door closing process is opposite to the door opening process.
The groove shape of the latch groove 5 is a strip-shaped groove with an opening at the outer part; lifting guide rollers 7 are symmetrically arranged on two sides of the cabin door 3, a guide groove 11 is arranged at a position corresponding to the body frame 6, and the groove shape of the guide groove 11 is an inverted L-shaped groove.
The cabin door 3 is provided with a cabin door stop 17, the body frame 6 is provided with a body stop 18, and the position of the body stop 18 corresponds to the position of the cabin door stop 17.
Method for controlling a door lifting mechanism of a passenger aircraft, comprising the steps of:
1) opening the cabin door: pulling the handle 12 to rotate the latch shaft 2, the latch shaft 2 rotates upwards with the roller latch 4 at the end as the center, the cabin door 3 is lifted, meanwhile, the lifting guide roller 7 rises upwards along the guide groove 11, and the slide rail 8 rises upwards along the slide rod 10;
2) when the latch shaft 2 continues to rotate, the roller latch 4 moves outwards along the latch groove 5 to realize the outward opening of the cabin door 3, after the full opening, the roller latch 4 is separated from the latch groove 5, the lifting guide roller 7 is separated from the guide groove 11, and the sliding rail 8 slides towards the other end along the sliding rod 10;
3) in the lifting process of the cabin door 3, the cabin door stop block 17 avoids the body stop block 18;
4) the latch shaft 2 is further pulled by the pressure spring 19, so that the latch hook 16 is hooked on the sliding rod 10, and the lifting and locking of the cabin door are realized;
5) the falling and closing of the cabin door: by moving the handle 12, the locking hook 16 is unlocked from the slide bar 10 and the roller latch 4 pushes against the upper surface of the slot 5 to move the door down the guide slot 11 and the slide bar 10 until the door reaches the closed position.
Compared with the prior art, the invention has the advantages that:
1. the mechanism is simple and multifunctional: the mechanism uses the bolt as a lifting fulcrum to lift the cabin door, and then the four-bar mechanism is used for keeping the cabin door at a lifting position, compared with the existing lifting mechanism, the mechanism has the bolt and lifting functions, the cam or sheave lifting mechanism is reduced, the design is simple, and the number of parts is small;
2. light weight and low cost: compared with the prior art, the mechanism has the advantages that the cam or grooved pulley lifting mechanism is omitted, and the four-bar mechanism is added, so that the latter mechanism is light in weight, simple in design, low in manufacturing cost and convenient to install and debug;
3. the application range is wide: the mechanism has simple transmission relationship and small occupied space, can be widely applied to various semi-blocking type cabin doors, and is particularly suitable for being arranged on the cabin door with narrow internal space.
Claims (2)
1. A control method of a cabin door lifting mechanism of a passenger plane is characterized in that a cabin door (3) is arranged on a body frame (6), a handle (12) is arranged on the cabin door (3), the handle (12) is connected with an opening mechanism (9) on the cabin door, a latch shaft (2) is hinged on the cabin door (3), and the latch shaft (2) is connected with the handle (12) through a connecting rod; the two ends of the bolt shaft (2) are connected with lugs, the lugs are connected with roller latches (4), a bolt groove (5) corresponding to the roller latches (4) is arranged on the machine body frame (6), and the roller latches (4) are in sliding connection with the bolt groove (5); a crank (14) is fixedly connected with the center of the latch shaft (2), the crank (14) is connected with a latch hook (16) through a connecting rod (15), and a hook part at the top of the latch hook (16) is lapped with a sliding rod (10) arranged in the opening mechanism (9); a pressure spring (19) is arranged at the outer side end of the lock hook (16), one end of the pressure spring (19) is hinged with the latch shaft (2), and the other end of the pressure spring is hinged with the cabin door (3); sliding rails (8) are symmetrically arranged on the cabin door (3), a slideway is arranged on the sliding rails (8), and a sliding rod (10) is in sliding fit with the slideway; lifting guide rollers (7) are symmetrically arranged on two sides of the cabin door (3), a guide groove (11) is arranged at a position corresponding to the machine body frame (6), and the groove shape of the guide groove (11) is an inverted L-shaped groove; a cabin door stop block (17) is arranged on the cabin door (3), a body stop block (18) is arranged on the body frame (6), and the position of the body stop block (18) corresponds to the position of the cabin door stop block (17);
the method is characterized in that the control method of the cabin door lifting mechanism of the passenger plane comprises the following steps:
1) opening the cabin door: the latch shaft (2) is rotated by pulling the handle (12), the latch shaft (2) rotates upwards by taking the roller latch (4) at the end part as the center, so that the cabin door (3) is lifted, meanwhile, the lifting guide roller (7) is lifted upwards along the guide groove (11), and the slide rail (8) is lifted upwards along the slide rod (10);
2) when the latch shaft (2) continues to rotate, the roller latch (4) moves outwards along the latch groove (5) to realize the outward opening of the cabin door (3), after the full opening, the roller latch (4) is separated from the latch groove (5), the lifting guide roller (7) is separated from the guide groove (11), and the sliding rail (8) slides towards the other end along the sliding rod (10);
3) in the lifting process of the cabin door (3), the cabin door stop block (17) avoids the body stop block (18);
4) the latch shaft (2) is further pulled by the pressure spring (19), so that the latch hook (16) is hooked on the sliding rod (10), and the lifting and locking of the cabin door are realized;
5) the falling and closing of the cabin door: when the handle (12) is moved, the locking hook (16) is separated from the sliding rod (10) to be unlocked, and the roller latch (4) abuts against the upper surface of the latch groove (5) to enable the cabin door to move downwards along the guide groove (11) and the sliding rod (10) until the cabin door reaches a closed position.
2. The control method according to claim 1, characterized in that: the groove shape of the latch groove (5) is a strip-shaped groove with an opening at the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810804291.8A CN110359799B (en) | 2018-07-20 | 2018-07-20 | Cabin door lifting mechanism of passenger plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810804291.8A CN110359799B (en) | 2018-07-20 | 2018-07-20 | Cabin door lifting mechanism of passenger plane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110359799A CN110359799A (en) | 2019-10-22 |
| CN110359799B true CN110359799B (en) | 2021-02-19 |
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ID=68214706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810804291.8A Active CN110359799B (en) | 2018-07-20 | 2018-07-20 | Cabin door lifting mechanism of passenger plane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110359799B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059877B (en) * | 2021-11-10 | 2023-03-14 | 中航沈飞民用飞机有限责任公司 | Vertical shaft transmission mechanism of civil aircraft cabin door |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1175537A (en) * | 1996-08-30 | 1998-03-11 | 波音公司 | Latch-lock mechanism for load carrying airplane cargo doors |
| WO2013172804A1 (en) * | 2012-05-16 | 2013-11-21 | Tusaş-Türk Havacilik Ve Uzay Sanayii A.Ş. | A door latch mechanism |
| CN204998747U (en) * | 2015-07-30 | 2016-01-27 | 中航沈飞民用飞机有限责任公司 | Partly block up formula passenger plane hatch door guiding axle with door bolt function |
| CN106812400A (en) * | 2017-03-13 | 2017-06-09 | 江苏美龙航空部件有限公司 | A kind of aircraft door lifting device |
| CN206664915U (en) * | 2017-04-12 | 2017-11-24 | 江苏美龙航空部件有限公司 | A kind of large-scale multi-functional automatic positioning mechanism of civil aircraft cargo door |
| CN206957414U (en) * | 2017-03-13 | 2018-02-02 | 江苏美龙航空部件有限公司 | A kind of aircraft door lifting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3323709B1 (en) * | 2016-11-16 | 2019-01-02 | AIRBUS HELICOPTERS DEUTSCHLAND GmbH | An actuatable emergency exit door and an aircraft or space craft with a pressurized cabin having such an actuatable emergency exit door |
-
2018
- 2018-07-20 CN CN201810804291.8A patent/CN110359799B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1175537A (en) * | 1996-08-30 | 1998-03-11 | 波音公司 | Latch-lock mechanism for load carrying airplane cargo doors |
| WO2013172804A1 (en) * | 2012-05-16 | 2013-11-21 | Tusaş-Türk Havacilik Ve Uzay Sanayii A.Ş. | A door latch mechanism |
| CN204998747U (en) * | 2015-07-30 | 2016-01-27 | 中航沈飞民用飞机有限责任公司 | Partly block up formula passenger plane hatch door guiding axle with door bolt function |
| CN106812400A (en) * | 2017-03-13 | 2017-06-09 | 江苏美龙航空部件有限公司 | A kind of aircraft door lifting device |
| CN206957414U (en) * | 2017-03-13 | 2018-02-02 | 江苏美龙航空部件有限公司 | A kind of aircraft door lifting device |
| CN206664915U (en) * | 2017-04-12 | 2017-11-24 | 江苏美龙航空部件有限公司 | A kind of large-scale multi-functional automatic positioning mechanism of civil aircraft cargo door |
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| Publication number | Publication date |
|---|---|
| CN110359799A (en) | 2019-10-22 |
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