CN206394864U - A kind of ditching blocking mechanism of aircraft door ventilator hole cover - Google Patents
A kind of ditching blocking mechanism of aircraft door ventilator hole cover Download PDFInfo
- Publication number
- CN206394864U CN206394864U CN201720012257.8U CN201720012257U CN206394864U CN 206394864 U CN206394864 U CN 206394864U CN 201720012257 U CN201720012257 U CN 201720012257U CN 206394864 U CN206394864 U CN 206394864U
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- CN
- China
- Prior art keywords
- blocking mechanism
- block piece
- ditching
- handle axis
- hole cover
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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.)
- Expired - Fee Related
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
A kind of ditching blocking mechanism of aircraft door ventilator hole cover, belongs to airplane design technical field.Transmission mechanism and blocking mechanism including being connected to hatch door agent structure, described transmission mechanism one end is connected in Handle axis, the other end connects blocking mechanism, during work, rotate Handle axis, the block piece for driving blocking mechanism by transmission mechanism coordinates with the groove being arranged on ventilating opening cover plate to be contacted, and is formed and stopped.The utility model rotates Handle axis as driving force using the transmission mechanism and blocking mechanism for being connected to hatch door agent structure, and the block piece for driving blocking mechanism by transmission mechanism coordinates with the groove being arranged on ventilating opening cover plate to be contacted, and is formed and stopped.So that aircraft can also underwater arrange ventilating opening, more flexibilities are brought to mechanism design.
Description
Technical field
The invention belongs to airplane design technical field, the ditching of more particularly to a kind of aircraft door ventilator hole cover hinders
Retaining device.
Background technology
Aircraft can perform being forced landing of the task in the case where finding potential safety hazard or being held as a hostage, when forced landing is plunged into the commercial sea
During the waters surface such as ocean, lake, danger can be significantly improved.When force-landing on the water, the housing construction in aircraft bottom will be by water
The effect of face shock loading, therefore, is highly desirable to as the lid design blocking mechanism in underwater prevent from being clapped by water
Convince cause body by patient analysis quickly to pour water, reduce the time of passenger's escape.
Hatch door ventilator hole cover is a kind of common supercharging preventing mean, and its effect is whether monitoring hatch door is closing completely
Close, fasten with a bolt and lock, while can prevent that pressure in cabin is increased into unsafe water in the case where hatch door is not completely closed
It is flat.
Most arrangement of the ventilator hole cover of existing aircraft is all to be located at more than waterline, also there is the environment control using high reliability
The way of systematic substitution ventilation mouth mechanism processed, not yet there is the design side of the blocking mechanism for ventilator hole cover ditching function
Case.
The content of the invention
For above-mentioned technical problem, the present invention provides a kind of ditching of aircraft door ventilator hole cover and stops machine
Structure so that can also underwater arrange ventilating opening, more flexibilities are brought to mechanism design.
The purpose of the present invention is achieved through the following technical solutions：
A kind of ditching blocking mechanism of aircraft door ventilator hole cover of the present invention, including it is connected to hatch door agent structure
Transmission mechanism and blocking mechanism, described transmission mechanism one end are connected in Handle axis, other end connection blocking mechanism, during work,
Handle axis is rotated, splice grafting is matched somebody with somebody by the groove that transmission mechanism drives the block piece of blocking mechanism and is arranged on ventilating opening cover plate
Touch, formed and stopped.
Further, the transmission mechanism includes：
Cam, is arranged in Handle axis, is rotated with Handle axis, and deep-slotted chip breaker is carried on cam；
Crank, with rocking arm I and rocking arm II, the junction of rocking arm I and rocking arm II sets rotating shaft, and cabin is connected to by rotating shaft
In door main body structure, the roller slided along cam deep-slotted chip breaker is connected with rocking arm I；
Connecting rod, one end is connected on rocking arm II, and the other end is connected on the block piece of blocking mechanism
Further, the deep-slotted chip breaker on the cam is connected and composed by drive section and empty driving section transition, cam original state
When not rotating, the drive section is located at empty driving section top, arc groove and the Handle axis decentraction of drive section, roller edge driving during enabling
Section is rolled to release stop close to the side wall of Handle axis；The circular arc and Handle axis of empty driving section with one heart, do not drive roller to rotate, rolled
Wheel enters empty driving section by drive section, and Handle axis drives cam rotation, miscellaneous part remains stationary.
Further, the blocking mechanism includes：
Connector, is connected in hatch door agent structure, block axis is installed thereon；
Block piece, one end is free end, is contacted with the groove on ventilating opening cover plate, the other end is connected in block axis, resistance
The connecting rod of transmission mechanism is also associated with block piece；
Torsion spring, is two, in block axis, is placed between block piece and connector side wall, two ends are separately fixed at resistance
Block piece and on the pin of connector side wall.
Further, described block piece one end is wedge structure, coordinates with the groove on ventilating opening cover plate and contacts, the other end
For U-shape structure, otic placode of the U-shape structure end with two connection block axis.
Further, set fluted on the ventilating opening cover plate, be engaged with block piece contact jaw with block piece
Open slot.
Further, the connector is with the connection for connecting the two side of block axis and being connected in hatch door agent structure
Plate.
A kind of aircraft door, includes the ditching blocking mechanism of described aircraft door ventilator hole cover, is connected to hatch door
Between Handle axis and ventilating opening cover plate.
A kind of aircraft, including described aircraft door.
Beneficial effects of the present invention are：
1. the present invention is using the transmission mechanism and blocking mechanism for being connected to hatch door agent structure, rotates Handle axis and be used as driving
Power, the block piece for driving blocking mechanism by transmission mechanism coordinates with the groove being arranged on ventilating opening cover plate to be contacted, and forms resistance
Gear.So that aircraft can also underwater arrange ventilating opening, more flexibilities are brought to mechanism design.
2. transmission mechanism of the present invention coordinates transmission using cam, crank, the displacement demand needed for barrier functionality, structure are met
Simply, it is reliable.Blocking mechanism connects block piece using torsion spring, block piece is kept the trend stopped all the time, even in drive
The function of stop can be also met in the state of dynamic mechanism collapse.
3. this invention ensures that during ditching aircraft door structure and mechanism safety, it is to avoid enter rapidly in cabin
Water, is that passenger flees from and won valuable time.
4. Path of Force Transfer of the present invention is simply clear, efficiently by ditching load transmission to cabin door structure.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is that Fig. 1 blocking mechanisms stop schematic diagram.
Fig. 3 is blocking mechanism partial schematic diagram in Fig. 2.
Fig. 4 is Fig. 1 cams and crank connection diagram.
In figure：
1. ventilating opening cover plate, 2. block pieces；
3. blocking mechanism, 31. block pieces, 32. torsion springs, 33. connectors, 331. side walls, 332. otic placodes, 34. block axis,
35. bearing pin I, 36. pins；
4. transmission mechanism, 41. cams, 42. rollers, 43. cranks, 431. rocking arms I, 432. rocking arms, 44. rotating shafts, 45. pins
Axle II, 46. connecting rods, 47. deep-slotted chip breakers, 471. drive sections, 472. empty drivings section；
5. Handle axis.
Embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
Embodiment：As shown in Figure 1 and Figure 2, using the aircraft door of the present invention, the present invention is connected to the He of hatch door Handle axis 5
Between ventilating opening cover plate 1.A kind of ditching blocking mechanism of the present invention, including it is connected to the He of transmission mechanism 4 of hatch door agent structure
Blocking mechanism 3, described one end of transmission mechanism 4 is connected in Handle axis 5, other end connection blocking mechanism 3, during work, rotates hand
Arbor 5, the block piece 31 for driving blocking mechanism 3 by transmission mechanism 4 coordinates with the block piece 2 being arranged on ventilating opening cover plate 1
Contact, forms and stops.
The transmission mechanism 4 includes：
Cam 41, is arranged in Handle axis 5, is rotated with Handle axis 5, and deep-slotted chip breaker 47 is carried on cam 41；The deep-slotted chip breaker
47 are connected and composed by drive section 471 and empty driving 472 transition of section, and when cam original state is not rotated, the drive section 471 is located at sky
Sail the top of section 472, arc groove and the decentraction of Handle axis 5 of drive section 471, during enabling roller 42 along drive section 471 close to Handle axis
5 side wall rolls to release stop；Empty driving section 472 circular arc and Handle axis with one heart, do not drive roller 42 to rotate, roller 42 by
Drive section 471 enters empty driving section 472, and Handle axis 5 drives cam rotation, miscellaneous part remains stationary of the invention.
Crank 43, with rocking arm I 431 and rocking arm II 431, the junction of rocking arm I 431 and rocking arm II 432 sets rotating shaft 44,
It is connected to by rotating shaft 44 in hatch door agent structure, the roller 42 slided along cam deep-slotted chip breaker 47 is connected with rocking arm I 431；
Connecting rod 46, one end is connected on rocking arm II 432, and the other end is connected on the block piece 31 of blocking mechanism 3.
As shown in Figure 1, Figure 3, the blocking mechanism 3 includes：
Connector 33, is connected in hatch door agent structure, and block axis 34 is installed thereon；
Block piece 31, one end is free end, is contacted with the groove 2 on ventilating opening cover plate 1, the other end is connected to block axis 34
On, the connecting rod 46 of transmission mechanism 4 is also associated with block piece 31；
Torsion spring 32 two, in block axis 34, between the side wall 331 for being placed in block piece 31 and connector 33, two ends point
On the side wall 331 for not being fixed on block piece 31 and connector 33, it is fixed on by pin 36 on side wall 331.
As shown in figure 3, this example is for convenience of stopping and releasing stop, described one end of block piece 31 is wedge structure, with ventilation
Block piece 2 on velar plate 1 coordinates contact, and the other end is U-shape structure, otic placode of the U-shape structure end with two connection block axis 34
332。
As shown in Figure 1 and Figure 2, set fluted on the ventilating opening cover plate, i.e., be and block piece with the contact jaw of block piece 31
31 open slots being engaged.
As shown in figure 3, the connector 33 is with the two side 331 for connecting block axis and is connected in hatch door agent structure
Connecting plate 333, the connector 33 is conducive to the load of block piece 31 being efficiently delivered in hatch door main structure, and its is supporting
Torsion spring 32 can make block piece have the trend for keeping stopping all the time.
The operation principle of the present invention：
The present invention rotates Handle axis 5, drives its concomitant rotation of overhead cam 41, make shaking for crank 43 by pulling handle
Roller 42 on arm II 432 is rolled along the deep-slotted chip breaker 47 on cam 41, drives crank 43 to be rotated around its rotating shaft 44, so as to drive
Connected connecting rod 46 is moved, and pulls block piece 31 to be rotated around its block axis 34, in the presence of torsion spring 32, block piece 31
End is in contact with the groove on ventilating opening cover plate, is formed and stopped.
During unblock, handle is reversely pulled, drives Handle axis 5 to rotate backward, it is final to drive the block piece 2 of block piece more than 31 to take off
From.
Claims (7)
1. a kind of ditching blocking mechanism of aircraft door ventilator hole cover, it is characterised in that：Including being connected to hatch door body junction
The transmission mechanism and blocking mechanism of structure, described transmission mechanism one end are connected in Handle axis, other end connection blocking mechanism, work
When, Handle axis is rotated, is coordinated by the groove that transmission mechanism drives the block piece of blocking mechanism and is arranged on ventilating opening cover plate
Contact, forms and stops.
2. the ditching blocking mechanism of aircraft door ventilator hole cover according to claim 1, it is characterised in that：The transmission
Mechanism includes：
Cam, is arranged in Handle axis, is rotated with Handle axis, and deep-slotted chip breaker is carried on cam；
Crank, with rocking arm I and rocking arm II, the junction of rocking arm I and rocking arm II sets rotating shaft, and hatch door master is connected to by rotating shaft
In body structure, the roller slided along cam deep-slotted chip breaker is connected with rocking arm I；
Connecting rod, one end is connected on rocking arm II, and the other end is connected on the block piece of blocking mechanism.
3. the ditching blocking mechanism of aircraft door ventilator hole cover according to claim 2, it is characterised in that：The cam
On deep-slotted chip breaker by drive section and empty driving section transition connect and compose, when cam original state is not rotated, the drive section be located at sky
Sail above section, arc groove and the Handle axis decentraction of drive section, roller is rolled along side wall of the drive section close to Handle axis during enabling
To release stop；The circular arc and Handle axis of empty driving section with one heart, do not drive roller to rotate, and roller enters empty driving section, hand by drive section
Arbor drives cam rotation, miscellaneous part remains stationary.
4. the ditching blocking mechanism of aircraft door ventilator hole cover according to claim 1, it is characterised in that：It is described to stop
Mechanism includes：
Connector, is connected in hatch door agent structure, block axis is installed thereon；
Block piece, one end is free end, is contacted with the groove on ventilating opening cover plate, the other end is connected in block axis, block piece
On be also associated with the connecting rod of transmission mechanism；
Torsion spring, is two, in block axis, is placed between block piece and connector side wall, two ends are separately fixed at block piece
With on the pin of connector side wall.
5. the ditching blocking mechanism of aircraft door ventilator hole cover according to claim 4, it is characterised in that：It is described to stop
Part one end is wedge structure, coordinates with the groove on ventilating opening cover plate and contacts, and the other end is U-shape structure, and U-shape structure end carries two
Connect the otic placode of block axis.
6. the ditching blocking mechanism of aircraft door ventilator hole cover according to claim 4, it is characterised in that：The ventilation
Set fluted on velar plate, the open slot with block piece contact jaw to be engaged with block piece.
7. the ditching blocking mechanism of aircraft door ventilator hole cover according to claim 4, it is characterised in that：The connection
Part is with the connecting plate for connecting the two side of block axis and being connected in hatch door agent structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720012257.8U CN206394864U (en) | 2017-01-05 | 2017-01-05 | A kind of ditching blocking mechanism of aircraft door ventilator hole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720012257.8U CN206394864U (en) | 2017-01-05 | 2017-01-05 | A kind of ditching blocking mechanism of aircraft door ventilator hole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206394864U true CN206394864U (en) | 2017-08-11 |
Family
ID=59513585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720012257.8U Expired - Fee Related CN206394864U (en) | 2017-01-05 | 2017-01-05 | A kind of ditching blocking mechanism of aircraft door ventilator hole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206394864U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106697254A (en) * | 2017-01-05 | 2017-05-24 | 江苏美龙振华科技有限公司 | Ditching stopping mechanism for airplane cabin door ventilator hole cover |
| CN107724859A (en) * | 2017-09-30 | 2018-02-23 | 中国航空工业集团公司西安飞机设计研究所 | A kind of door ladder unification landing gate two-part curve drive mechanism |
| CN108994613A (en) * | 2018-09-30 | 2018-12-14 | 重庆君卓机械有限公司 | A kind of sliding rail of automobile seat assembly line |
| CN114059877A (en) * | 2021-11-10 | 2022-02-18 | 中航沈飞民用飞机有限责任公司 | Vertical shaft transmission mechanism of civil aircraft cabin door |
-
2017
- 2017-01-05 CN CN201720012257.8U patent/CN206394864U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106697254A (en) * | 2017-01-05 | 2017-05-24 | 江苏美龙振华科技有限公司 | Ditching stopping mechanism for airplane cabin door ventilator hole cover |
| CN106697254B (en) * | 2017-01-05 | 2023-08-11 | 江苏美龙振华科技有限公司 | Water forced landing blocking mechanism of airplane cabin door ventilating cover |
| CN107724859A (en) * | 2017-09-30 | 2018-02-23 | 中国航空工业集团公司西安飞机设计研究所 | A kind of door ladder unification landing gate two-part curve drive mechanism |
| CN107724859B (en) * | 2017-09-30 | 2019-02-12 | 中国航空工业集团公司西安飞机设计研究所 | A kind of ladder unification landing gate two-part curve driving mechanism |
| CN108994613A (en) * | 2018-09-30 | 2018-12-14 | 重庆君卓机械有限公司 | A kind of sliding rail of automobile seat assembly line |
| CN108994613B (en) * | 2018-09-30 | 2019-11-15 | 重庆君卓机械有限公司 | A kind of sliding rail of automobile seat assembly line |
| CN114059877A (en) * | 2021-11-10 | 2022-02-18 | 中航沈飞民用飞机有限责任公司 | Vertical shaft transmission mechanism of civil aircraft cabin door |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 Termination date: 20190105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |