CN115384755A - Booster compartment door - Google Patents
Booster compartment door Download PDFInfo
- Publication number
- CN115384755A CN115384755A CN202211076940.XA CN202211076940A CN115384755A CN 115384755 A CN115384755 A CN 115384755A CN 202211076940 A CN202211076940 A CN 202211076940A CN 115384755 A CN115384755 A CN 115384755A
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- Prior art keywords
- rocker arm
- shaft
- lock
- sharing
- time
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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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- 238000000034 method Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- 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
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The application provides a pressure cabin door, which belongs to the technical field of aviation, wherein when the pressure cabin door is unlocked, a handle drives a main shaft to rotate, the main shaft drives a pressure release valve to be opened, meanwhile, a main shaft drives a lock to be unlocked, and when the main shaft continuously rotates to a time-sharing driving rocker arm to be in contact with an opening type guide groove of the time-sharing rocker arm, the time-sharing rocker arm starts to drive a bolt to be unlocked until the unlocking is completed; on the contrary, when the pressure valve is locked, the handle drives the main shaft to rotate, the main shaft drives the time-sharing rocker arm to rotate, the time-sharing rocker arm drives the bolt to be locked, the bolt is unlocked until the time-sharing rocker arm is separated from the open guide groove of the time-sharing rocker arm, the unlocking is completed, and then the main shaft continues to drive the pressure release valve to close and drive the lock to be locked until the pressure release valve is completely closed and the lock is locked; the mechanism principle is simple, the weight is light, the reliability of the cabin door is improved, and meanwhile, the application range of the mechanism is enlarged through reasonable arrangement of the mechanism principle and the adoption of a bolt mode.
Description
Technical Field
The application belongs to the technical field of aviation, especially, relate to a pressurized cabin hatch door.
Background
The aircraft body is generally provided with a pressure cabin, and a pressure cabin door is generally arranged at a passage between the pressure cabin and a non-pressure cabin or outside the aircraft. The pressure cabin door mainly bears the pressure difference load at the airtight interface in the aircraft through cabin and has enough rigidity and fatigue resistance. Meanwhile, as a passage for personnel or goods, the design of the cabin door must meet related airworthiness terms to ensure the safety, reliability and economy of the cabin door, wherein the mechanism is one of key contents in the design of the cabin door. In order to meet the use requirement of the cabin door of the pressure cabin, a pressure relief valve is required to be arranged on the cabin door,
in the related art, the cabin door of the pressure cabin is mainly in the form of a boarding door, is opened in a mode of lifting firstly and then horizontally opening outwards, and is provided with a pressure release valve, so that the cabin door is heavy and requires a large space.
Disclosure of Invention
In order to solve the problems of larger weight and larger required space of the door of the pressure cabin in the related art, the invention provides the door of the pressure cabin, which adopts the following technical scheme:
a pressure cabin door comprising: the device comprises a handle, a handle shaft, a first connecting rod, a main shaft, a second connecting rod, a pressure release valve shaft, a pressure release valve, a time-sharing shaft, a time-sharing rocker arm, a lock rocker arm, a third connecting rod, a bolt latch, a lock shaft, a first rocker arm, a second rocker arm, a third rocker arm, a time-sharing drive rocker arm, a fourth connecting rod and a lock, wherein the handle shaft is arranged on the handle;
the main shaft is assembled in the cabin door, can rotate around the axis of the main shaft, and is provided with a second rocker arm, a third rocker arm, a time-sharing driving rocker arm and a fourth rocker arm;
the handle is fixed on a handle shaft, the handle is vertical to the handle shaft, a first rocker arm is arranged on the handle shaft, the first rocker arm is connected with a second rocker arm through a first connecting rod, and the rotating handle can drive the main shaft to rotate through the first connecting rod;
the time sharing shaft is assembled in the cabin door, is parallel to the main shaft and can rotate around the axis of the time sharing shaft, the time sharing shaft is provided with a time sharing rocker arm and a locking rocker arm, the locking rocker arm is provided with a limiting arc concave surface, and the time sharing rocker arm is driven by contacting with an open type guide groove of the time sharing rocker arm in the rotation process of the time sharing driving rocker arm;
the lock shaft is assembled in the cabin door, the lock shaft is parallel to the main shaft, the lock shaft can rotate around the axis of the lock shaft, the lock shaft is provided with a lock, the lock is provided with an arc limiting convex surface, the arc limiting convex surface of the lock and the limiting arc concave surface of the lock rocker arm are in small clearance fit, and the function of the lock is realized by whether the arc surfaces are overlapped or not;
the fourth rocker arm is connected with the lock through a fourth connecting rod, and the fourth rocker arm drives the lock shaft through the fourth connecting rod in the rotating process;
the pressure relief valve shaft is assembled in the cabin door, the pressure relief valve shaft is parallel to the main shaft, the pressure relief valve shaft can rotate around the axis of the pressure relief valve shaft, the pressure relief valve is fixed on the pressure relief valve shaft, the third rocker arm is connected with the pressure relief valve through a second connecting rod, and the third rocker arm drives the pressure relief valve to open and close through the second connecting rod in the rotating process;
the time-sharing rocker arm is connected with the bolt latch through a third connecting rod, the bolt latch can only slide in the axis direction of the bolt latch, and the bolt latch is perpendicular to the main shaft.
The main shaft is provided with a main shaft limiting rocker arm for adjusting the range of the rotation angle of the main shaft.
The time sharing shaft is provided with a time sharing shaft limiting rocker arm used for adjusting the rotating angle range of the time sharing shaft.
The main shaft is provided with a rocker arm, a main shaft power-assisted spring assembly is arranged between the rocker arm and the cabin door, and joint bearings are arranged at joints at two ends of the main shaft power-assisted spring assembly.
The time-sharing shaft is provided with a rocker arm, a lock power-assisted spring assembly is arranged between the rocker arm and the cabin door, and joint bearings are arranged at joints at two ends of the lock power-assisted spring assembly.
Wherein, the time-sharing driving rocker arm is also provided with a closing limit boss for preventing the bolt from being unlocked when the cabin door is closed.
The first rocker arm is provided with a flight lock limiting boss, and the flight lock limiting boss is matched with the flight lock to limit the rotation of the handle.
Wherein, be provided with the rocking arm on the lock axle, be provided with any one in mechanical display surface and the target on the rocking arm.
When the distance between the lock shaft and the pressure release valve shaft is far, a fourth connecting rod is cancelled, an opening type guide groove is additionally arranged on the lock, the initial position of the tail end of a fourth rocker arm is positioned in the opening type guide groove, a fifth rocker arm is additionally arranged on the lock shaft, the second connecting rod is connected with the third rocker arm and is changed into a mode of being connected with the fifth rocker arm, and the lock shaft can rotate to drive the pressure release valve to open and close through the second connecting rod;
when the distance between the locking shaft and the pressure release valve shaft is short, the fourth connecting rod and the second connecting rod are omitted, the lock is provided with an open type guide groove, the initial position of the tail end of the fourth rocker arm is located in the open type guide groove, the first gear is additionally arranged on the locking shaft, the second gear is additionally arranged on the pressure release valve, and the locking shaft drives the pressure release valve to open and close through gear transmission between the first gear and the second gear.
When the bolt is unlocked, the handle drives the spindle to rotate, the spindle drives the pressure release valve to be opened, the spindle drives the lock to be unlocked, the spindle continuously rotates until the time-sharing driving rocker arm is contacted with the open type guide groove of the time-sharing rocker arm, and then the time-sharing rocker arm starts to drive the bolt to be unlocked until the bolt is unlocked;
when the pressure relief valve is locked, the handle drives the spindle to rotate, the spindle drives the time-sharing rocker arm to rotate, the time-sharing rocker arm drives the bolt to be locked, the bolt is unlocked until the time-sharing drive rocker arm is separated from the open type guide groove of the time-sharing rocker arm, and then the spindle continues to drive the pressure relief valve to be closed and drive the lock to be locked until the pressure relief valve is completely closed and the lock is locked.
The invention provides a pressure cabin door, which is a bolt type pressure cabin door with a pressure relief valve, and has the advantages of simple structure, light weight, small required space, convenience in use and high reliability.
Drawings
FIG. 1 is a schematic mechanism diagram of a pressure cabin door provided by an embodiment of the invention;
FIG. 2 is a schematic view of a lock shaft and a relief valve shaft driving principle according to an embodiment of the present invention;
FIG. 3 is a schematic view of an alternative lock shaft and pressure release valve shaft drive concept provided by an embodiment of the present invention;
FIG. 4 is a schematic illustration of a mechanism for closing a door of a pressure compartment provided by an embodiment of the present invention;
FIG. 5 is a schematic view of a mechanism for opening a door of a pressure cabin provided in accordance with an embodiment of the present invention;
FIG. 6 is a partial schematic view of a time sharing mechanism and a lock mechanism provided by an embodiment of the present invention;
fig. 7 is a schematic diagram of a time-sharing rocker arm guide groove principle provided by the embodiment of the invention.
Detailed Description
The present application will be described in further detail below with reference to specific embodiments and the accompanying drawings.
The pressure cabin door provided by the invention is a bolt type pressure cabin door with a pressure release valve, and is convenient to use, light in weight and small in required space.
Referring to fig. 1 to 7, the present invention provides a door for a pressure cabin, comprising: the device comprises a handle 1, a handle shaft 2, a first connecting rod 3, a main shaft 4, a second connecting rod 5, a pressure release valve shaft 6, a pressure release valve 7, a time sharing shaft 8, a time sharing rocker arm 9, a lock rocker arm 10, a third connecting rod 11, a latch bolt 12, a lock shaft 15, a first rocker arm 16, a second rocker arm 17, a third rocker arm 18, a time sharing driving rocker arm 20, a fourth rocker arm 22, a fourth connecting rod 23 and a lock 24;
as shown in fig. 1, the spindle 4 is assembled in the hatch door, the spindle 4 can rotate around a spindle axis, and the spindle 4 is provided with a second rocker arm 17, a third rocker arm 18, a time-sharing driving rocker arm 20 and a fourth rocker arm 22.
The spindle 4 is further provided with a spindle limit rocker 26 for adjusting the range of the rotation angle of the spindle 4. The adjusting process can refer to the related art, and is not described herein.
A rocker arm 19 is further arranged on the main shaft 4, and a main shaft power-assisted spring assembly 14 is arranged between the rocker arm 19 and the cabin door and used for providing power for opening or closing the handle and reducing the force of the handle; and maintains the mechanism in an open or closed state, and joint bearings are provided at joints at both ends of the spindle assist spring assembly 14 to allow angular deviation occurring at the time of assembly.
The tail end of the time-sharing driving rocker arm 20 is provided with a roller 30, so that friction force is reduced. The time sharing driving rocker arm 20 is also provided with a closing limit boss 31 for preventing the bolt latch 12 from being unlatched when the hatch door is closed. As shown in fig. 6.
The handle 1 is fixed on the handle shaft 2, the handle 1 is perpendicular to the handle shaft 2, the handle shaft 2 is provided with a first rocker arm 16, the first rocker arm 16 is connected with a second rocker arm 17 through a first connecting rod 3, and the rotating handle 1 can drive the main shaft 4 to rotate through the first connecting rod 3.
The handle 1 can be directly fixed on the main shaft 4, and the rotating handle 1 can directly drive the main shaft 4 to rotate.
The first swing arm 16 is provided with a flight lock limit boss 34, the flight lock limit boss 34 cooperating with a flight lock 35 to limit the rotation of the handle 1, as shown in fig. 4 and 5.
A time-sharing shaft 8 is fitted in the hatch, the time-sharing shaft 8 being parallel to the main shaft 4. The time sharing shaft 8 can rotate around the axis of the time sharing shaft, the time sharing rocker arm 9 and the lock rocker arm 10 are arranged on the time sharing shaft 8, the lock rocker arm 10 is provided with a limiting arc concave surface, and the time sharing rocker arm 9 is driven by the contact of the time sharing drive rocker arm 20 and the open type guide groove 38 of the time sharing rocker arm 9 in the rotating process. The guide groove form of the open guide groove 38 can be designed as an inner guide groove 39, as shown in fig. 7.
The time-sharing shaft 8 is provided with a time-sharing shaft limiting rocker arm 25 for adjusting the range of the rotation angle of the time-sharing shaft 8. The adjustment process may refer to the related art.
A rocker arm 21 is arranged on the time-sharing shaft 8, and a locking power-assisted spring assembly 13 is arranged between the rocker arm 21 and the cabin door and used for providing power for opening or closing the handle and reducing the force of the handle; and maintain the local lock mechanism on or off. Joint bearings are arranged at joints at two ends of the lock power-assisted spring assembly 13, and angular deviation during assembly is allowed.
A lock shaft 15 is fitted in the hatch door, the lock shaft 15 being parallel to the main shaft 4. The lock shaft 15 can rotate around the axis of the lock shaft, the lock shaft 15 is provided with a lock 24, the lock 24 is provided with an arc limiting convex surface, the arc limiting convex surface of the lock 24 and the limiting arc concave surface of the lock rocker arm 10 are in small clearance fit, and the function of the lock is realized by whether the arc surfaces are overlapped.
The lock shaft 15 is provided with a rocker 32, and the rocker 32 can be provided with a mechanical display surface 36 and a target 33. The position can be determined by two prompting forms of the mechanical display surface 36 and the target 33.
The fourth rocker arm 22 is connected with the lock 24 through a fourth connecting rod 23, and the fourth rocker arm 22 drives the lock shaft 15 through the fourth connecting rod 23 in the rotating process. The rocker arm 22 is provided at its distal end with a roller 30.
A pressure release valve shaft 6 is assembled in the cabin door, and the pressure release valve shaft 6 is parallel to the main shaft 4. The pressure release valve shaft 6 can rotate around the axis of the pressure release valve shaft, the pressure release valve 7 is fixed on the pressure release valve shaft 6, the third rocker arm 18 is connected with the pressure release valve 7 through the second connecting rod 5, and the third rocker arm 18 can drive the pressure release valve 7 to open and close through the second connecting rod 5 in the rotating process.
A lock shaft limit rocker arm 37 may be provided on lock shaft 15 for limiting the range of rotation angles of lock shaft 15, as shown in fig. 2.
Joint bearings are arranged at joints at two ends of the first connecting rod 3, the second connecting rod 5, the third connecting rod 11 and the fourth connecting rod 23.
The handle axis 2 and the main axis 4 may be non-parallel, as shown in fig. 1, with the handle axis 2 perpendicular to the main axis 4.
Furthermore, the main shaft 4 can be provided with 1 part of latch, lock and time sharing mechanism for standby, thereby improving the reliability of the cabin door mechanism.
Referring to fig. 4 and 5, in the present invention, the manner in which the main shaft 4 drives the lock shaft 15 and the relief valve shaft 6 is:
when the distance between the lock shaft 15 and the pressure release valve shaft 6 is far, the fourth connecting rod 23 is removed, meanwhile, an open type guide groove 38 is additionally arranged on the lock 24, the initial position of the tail end of the fourth rocker arm 22 is positioned in the open type guide groove 38, meanwhile, a fifth rocker arm 27 is additionally arranged on the lock shaft 15, as shown in fig. 2, the second connecting rod 5 is connected with the third rocker arm 18 instead of the fifth rocker arm 27, and the lock shaft 15 rotates to drive the pressure release valve 7 to open and close through the second connecting rod 5;
when the lock shaft 15 is closer to the pressure release valve shaft 6, the fourth link 23 and the second link 5 are removed, the lock 24 is provided with an open guide groove 38, the initial position of the tail end of the fourth rocker arm 22 is located in the open guide groove 38, the lock shaft 15 is additionally provided with a first gear 28, the pressure release valve 7 is additionally provided with a second gear 29, and as shown in fig. 3, the lock shaft 15 drives the pressure release valve 7 to open and close through gear transmission between the first gear 28 and the second gear 29.
In the invention, as shown in fig. 1, when the bolt is unlocked, the handle 1 drives the spindle 4 to rotate, the spindle 4 drives the pressure release valve 7 to open, the spindle 4 drives the lock 24 to unlock, the spindle 4 continues to rotate until the time-sharing driving rocker arm 20 is contacted with the open type guide groove 38 of the time-sharing rocker arm 9, and then the time-sharing rocker arm 9 starts to drive the bolt 12 to be unlocked until the bolt is unlocked;
on the contrary, when the door is locked, the handle 1 drives the spindle 4 to rotate, the spindle 4 drives the time-sharing rocker arm 9 to rotate, the time-sharing rocker arm 9 drives the bolt latch 12 to latch until the time-sharing drive rocker arm 20 is separated from the open type guide groove 38 of the time-sharing rocker arm 9, the unlatching is completed, and then the spindle 4 continues to drive the pressure release valve 7 to close and drive the lock 24 to lock until the pressure release valve 7 is completely closed and the lock 24 is locked.
The bolt type pressure cabin door with the pressure release valve is simple in mechanism principle and light in weight, and by reasonable arrangement of the mechanism principle, the reliability of the door is improved, the weight of the door is reduced, and the application range of the mechanism is enlarged.
The foregoing merely represents embodiments of the present application and the description is more specific and detailed, but it should not be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, and these are all within the scope of protection of the present application.
Claims (10)
1. A pressure cabin door, comprising: the device comprises a handle, a handle shaft, a first connecting rod, a main shaft, a second connecting rod, a pressure release valve shaft, a pressure release valve, a time-sharing shaft, a time-sharing rocker arm, a lock rocker arm, a third connecting rod, a bolt latch, a lock shaft, a first rocker arm, a second rocker arm, a third rocker arm, a time-sharing drive rocker arm, a fourth connecting rod and a lock, wherein the handle shaft is arranged on the handle;
the main shaft is assembled in the cabin door, can rotate around the axis of the main shaft, and is provided with a second rocker arm, a third rocker arm, a time-sharing driving rocker arm and a fourth rocker arm;
the handle is fixed on a handle shaft, the handle is vertical to the handle shaft, a first rocker arm is arranged on the handle shaft, the first rocker arm is connected with a second rocker arm through a first connecting rod, and the rotating handle can drive the main shaft to rotate through the first connecting rod;
the time sharing shaft is assembled in the cabin door, is parallel to the main shaft and can rotate around the axis of the time sharing shaft, the time sharing shaft is provided with a time sharing rocker arm and a locking rocker arm, the locking rocker arm is provided with a limiting arc concave surface, and the time sharing rocker arm is driven by contacting with an open type guide groove of the time sharing rocker arm in the rotation process of the time sharing driving rocker arm;
the lock shaft is assembled in the cabin door, the lock shaft is parallel to the main shaft, the lock shaft can rotate around the axis of the lock shaft, the lock shaft is provided with a lock, the lock is provided with an arc limiting convex surface, the arc limiting convex surface of the lock and the limiting arc concave surface of the lock rocker arm are in small clearance fit, and the function of the lock is realized by whether the arc surfaces are overlapped or not;
the fourth rocker arm is connected with the lock through a fourth connecting rod, and the fourth rocker arm drives the lock shaft through the fourth connecting rod in the rotating process;
the pressure relief valve shaft is assembled in the cabin door, the pressure relief valve shaft is parallel to the main shaft, the pressure relief valve shaft can rotate around the axis of the pressure relief valve shaft, the pressure relief valve is fixed on the pressure relief valve shaft, the third rocker arm is connected with the pressure relief valve through a second connecting rod, and the third rocker arm drives the pressure relief valve to open and close through the second connecting rod in the rotating process;
the time-sharing rocker arm is connected with the bolt latch through a third connecting rod, the bolt latch can only slide in the axis direction of the bolt latch, and the bolt latch is perpendicular to the main shaft.
2. The pressure cabin door according to claim 1,
the main shaft is provided with a main shaft limiting rocker arm for adjusting the rotating angle range of the main shaft.
3. The pressure cabin door according to claim 1,
the time-sharing shaft is provided with a time-sharing shaft limiting rocker arm used for adjusting the rotating angle range of the time-sharing shaft.
4. The pressure cabin door according to claim 1,
the main shaft is provided with a rocker arm, a main shaft power-assisted spring assembly is arranged between the rocker arm and the cabin door, and joint bearings are arranged at joints at two ends of the main shaft power-assisted spring assembly.
5. The pressure cabin door according to claim 1,
the time-sharing shaft is provided with a rocker arm, a lock power-assisted spring assembly is arranged between the rocker arm and the cabin door, and joint bearings are arranged at joints at two ends of the lock power-assisted spring assembly.
6. The pressure cabin door according to claim 1,
and a closing limit boss is also arranged on the time-sharing driving rocker arm and used for preventing the bolt from being unlocked when the cabin door is closed.
7. The pressure cabin door of claim 1,
the first rocker arm is provided with a flight lock limiting boss, and the flight lock limiting boss is matched with the flight lock to limit the rotation of the handle.
8. The pressure cabin door according to claim 1,
the lock shaft is provided with a rocker arm, and the rocker arm is provided with any one of a mechanical display surface and a target.
9. The pressure cabin door according to claim 1,
when the distance between the lock shaft and the pressure release valve is far, the fourth connecting rod is cancelled, an opening type guide groove is additionally arranged on the lock, the initial position of the tail end of a fourth rocker arm is positioned in the opening type guide groove, a fifth rocker arm is additionally arranged on the lock shaft, the second connecting rod is connected with the third rocker arm and is changed into a connecting fifth rocker arm, and the lock shaft can rotate to drive the pressure release valve to open and close through the second connecting rod;
when the distance between the lock shaft and the pressure release valve shaft is short, the fourth connecting rod and the second connecting rod are omitted, the lock is provided with an open type guide groove, the initial position of the tail end of the fourth rocker arm is located in the open type guide groove, the lock shaft is additionally provided with a first gear, the pressure release valve is additionally provided with a second gear, and the lock shaft drives the pressure release valve to open and close through gear transmission between the first gear and the second gear.
10. The pressure cabin door according to claim 1,
when the bolt is unlocked, the handle drives the spindle to rotate, the spindle drives the pressure release valve to be opened, the spindle drives the lock to unlock, the spindle continues to rotate until the time-sharing driving rocker arm is contacted with the open type guide groove of the time-sharing rocker arm, and then the time-sharing rocker arm starts to drive the bolt to unlock until the unlocking is finished;
when the pressure-relief valve is locked, the handle drives the spindle to rotate, the spindle drives the time-sharing rocker arm to rotate, the time-sharing rocker arm drives the bolt to be locked, the bolt is unlocked until the time-sharing rocker arm is separated from the open guide groove of the time-sharing rocker arm, the unlocking is completed, and then the spindle continues to drive the pressure-relief valve to close and drive the lock to be locked until the pressure-relief valve is completely closed and the lock is locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211076940.XA CN115384755A (en) | 2022-09-02 | 2022-09-02 | Booster compartment door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211076940.XA CN115384755A (en) | 2022-09-02 | 2022-09-02 | Booster compartment door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115384755A true CN115384755A (en) | 2022-11-25 |
Family
ID=84124845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211076940.XA Pending CN115384755A (en) | 2022-09-02 | 2022-09-02 | Booster compartment door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115384755A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5305969A (en) * | 1991-07-16 | 1994-04-26 | The Boeing Company | Aircraft door latch lock mechanism |
| CN204826951U (en) * | 2015-08-14 | 2015-12-02 | 中国航空工业集团公司西安飞机设计研究所 | Hatch door operating mechanism and have its hatch door assembly and aircraft |
| CN106677612A (en) * | 2017-01-06 | 2017-05-17 | 江苏美龙振华科技有限公司 | Handle internal locking mechanism |
| CN108583844A (en) * | 2018-04-19 | 2018-09-28 | 中国商用飞机有限责任公司 | Anti-misoperation device for passenger cabin door of airplane |
| CN108952323A (en) * | 2018-07-20 | 2018-12-07 | 中航沈飞民用飞机有限责任公司 | A kind of transmission mechanism of hatch door outdoor handle |
| CN211818818U (en) * | 2019-12-17 | 2020-10-30 | 西安京东天鸿科技有限公司 | Lock, cabin door and device adopting lock |
| CN112696111A (en) * | 2020-12-29 | 2021-04-23 | 中国航空工业集团公司西安飞机设计研究所 | Hatch door hoisting device of jam formula hatch door |
-
2022
- 2022-09-02 CN CN202211076940.XA patent/CN115384755A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5305969A (en) * | 1991-07-16 | 1994-04-26 | The Boeing Company | Aircraft door latch lock mechanism |
| CN204826951U (en) * | 2015-08-14 | 2015-12-02 | 中国航空工业集团公司西安飞机设计研究所 | Hatch door operating mechanism and have its hatch door assembly and aircraft |
| CN106677612A (en) * | 2017-01-06 | 2017-05-17 | 江苏美龙振华科技有限公司 | Handle internal locking mechanism |
| CN108583844A (en) * | 2018-04-19 | 2018-09-28 | 中国商用飞机有限责任公司 | Anti-misoperation device for passenger cabin door of airplane |
| CN108952323A (en) * | 2018-07-20 | 2018-12-07 | 中航沈飞民用飞机有限责任公司 | A kind of transmission mechanism of hatch door outdoor handle |
| CN211818818U (en) * | 2019-12-17 | 2020-10-30 | 西安京东天鸿科技有限公司 | Lock, cabin door and device adopting lock |
| CN112696111A (en) * | 2020-12-29 | 2021-04-23 | 中国航空工业集团公司西安飞机设计研究所 | Hatch door hoisting device of jam formula hatch door |
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