CN206068167U - It is capable of achieving the helicopter flight engineer's seat for folding completely - Google Patents
It is capable of achieving the helicopter flight engineer's seat for folding completely Download PDFInfo
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- CN206068167U CN206068167U CN201621035231.7U CN201621035231U CN206068167U CN 206068167 U CN206068167 U CN 206068167U CN 201621035231 U CN201621035231 U CN 201621035231U CN 206068167 U CN206068167 U CN 206068167U
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- backrest
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- lock
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Abstract
This utility model provides a kind of helicopter flight engineer's seat for being capable of achieving and folding completely, including chair top component (1), backrest module (2), backrest retaining mechanism (3), four point seat belt (4) and folding torsion spring (5).Advantage is：This utility model can provide back rest supports for mechanist, and seat can also install four point seat belt, provide more preferable confining guard for mechanist；The comfortableness taken when also improving mechanist's flight simultaneously.
Description
Technical field
This utility model belongs to air material technical field, and in particular to a kind of helicopter machinery for being capable of achieving to fold completely
Teacher's seat.
Background technology
Helicopter flight engineer's seat provides the demand of taking for the mechanist of helicopter.Due to mechanist's location spy
Very, flight engineer's seat is needed installed in rear deck towards on the passage of driving cabin, the passage relatively narrower, is once only available for a people to lead to
Cross.Need the seat of folding is deployed at passage during flight, take for mechanist；After completing aerial mission, needed seat again
Chair is folded in the right side wall panel of driving cabin passage, and the driver and mechanist in cabin walks out driving cabin by the passage.
At present, flight engineer's seat is to realize folder function, only seat surface, without backrest to mechanist's back support, while
Two-point belt protection mechanist can only be also designed, therefore, the safety and comfortableness taken during mechanist's flight is relatively low.
Utility model content
For the defect that prior art is present, this utility model provides a kind of helicopter mechanist for being capable of achieving and folding completely
Seat and method for folding, can effectively solving the problems referred to above.
The technical solution adopted in the utility model is as follows：
A kind of helicopter flight engineer's seat for being capable of achieving to fold completely of this utility model offer, including chair top component (1),
Backrest module (2), backrest retaining mechanism (3), four point seat belt (4) and folding torsion spring (5)；
The chair top component (1) includes seat surface plate (6), left support abutment (7.1), right support abutment (7.2), left-hand joint (8), a left side
Side connector protective case (9), right side front connector (10), joint (11) and intermediate support (12) behind right side；
The rear portion left and right sides of the seat surface plate (6) fixes the left support abutment (7.1) and the right support abutment (7.2) respectively；
The left support abutment (7.1) and the right support abutment (7.2) make the backrest for the backrest retaining mechanism (3) that is rotatably connected
Retaining mechanism (3) can surround the hole rotation on the left support abutment (7.1) and the right support abutment (7.2)；The right side of the seat surface plate (6)
In front of side and right side rear fixedly mounts joint (11) behind the right side front connector (10) and the right side respectively；Before the right side
After joint (10) and the right side, joint (11) is rotatably connected with helicopter cockpit passage right side wall panel, makes seat overall
The folding that carries out pack up and launch；When folding is packed up, seat is adjacent to helicopter cockpit passage right side wall panel；The seat surface plate
(6) left side fixedly mounts the left-hand joint (8)；After seat launches, the left-hand joint (8) for launching back seat is overlapped on directly
Rise on the support member in machine driving cabin passage left side wall panel, then the left-hand joint is installed in the outside of the left-hand joint (8)
Protective case (9)；The back center position of the seat surface plate (6) fixedly mounts the intermediate support (12), the intermediate support
(12) it is rotatably connected with the backrest module (2), realizes folding backrest function；
The backrest module (2) includes backboard (13), seat belt guiding mechanism (14), lid (15) and backrest joint
(17)；The seat belt guiding mechanism (14) is installed on the backboard (13), can be stretched along the backboard (13) up and down；
The lid (15) is fixed on the outside of the backboard (13), covers backboard component internal mechanism；The backrest joint
(17) it is fixed on the bottom of the backboard (13), the centre of the backrest joint (17) and the chair top component (1)
Bearing (12) is rotatably connected, and realizes backrest module with seat surface component joint or expansion；
The backrest retaining mechanism (3) includes backrest unblock button component (19), steel wire rope component (20) and backrest lock group
Part (21)；
The backrest unblock button component (19) including solution upper cover of lock (22), latch release shaft (23), unblock button spring (24),
Hold-down support (25) and pole (26)；The bottom of solution upper cover of lock (22) is fixedly connected with the top of the latch release shaft (23)；
The bottom of the hold-down support (25) offers through hole；The bottom of the latch release shaft (23) is placed through the hold-down support (25)
After interior unblock button spring (24), it is then passed through the through hole and extends to the outside of the hold-down support (25)；The pole
(26) it is placed in the lower section of the hold-down support (25)；The steel wire rope component (20) is including steel wire rope shell and is located at the steel wire
The steel wire rope of rope enclosure；The steel wire rope shell is fixed on the hold-down support (25), the steel wire rope with described
Bar (26) is fixed；When pressing downwards solution upper cover of lock (22), the solution upper cover of lock (22) drives the latch release shaft (23) downwards
Motion, and then the unblock button spring (24) is compressed, when the latch release shaft (23) moves downward, promote pole (26) fortune
It is dynamic, and then pull the steel wire rope motion for being fixed on the pole (26)；When unclamping solution upper cover of lock (22), press in the unblock
In the presence of the spring force of button spring (24), the latch release shaft (23) is moved upwards, and then make solution upper cover of lock (22) extensive
Original position is arrived again；
The backrest lock set (21) includes fixed jacket (27), locking bar (28), fairlead (29), pad (30), backrest
Lock set spring (31), holder (32), steel ball (33), fixture (34) and unlocking arm (35)；
The locking bar (28) can be slided up and down along the fixed jacket (27) by the fairlead (29)；Outside the fixation
The relative left and right sides of set (27) opens up the 1st through hole and the 2nd through hole respectively；The holder (32) laterally can be slid through described
1st through hole, and extend to the inside of the fixed jacket (27)；1st through hole offers draw-in groove, and the pad (30) is fixed
In the draw-in groove, the backrest lock set spring (31) is set between the draw-in groove and the fixed jacket (27)；In backrest
Under the elastic force effect of lock set spring (31), the end face of the holder (32) is close to the 2nd through hole positioned at opposite side；
The external diameter of the steel ball (33) is less than the 2nd through hole internal diameter, and the steel ball (33) is placed in the 2nd through hole, also, described
The outer rim of steel ball (33) is expressed to the outside of the 2nd through hole, part steel ball is showed in the outside of the fixed jacket (27)；
The holder (32) offers radial direction through hole, when backrest launches, promotes the locking bar (28) through the radial direction through hole
Move downward, when the locking bar (28) moves to bottom, the locked groove opened up on the locking bar (28) is by the holder (32)
Fix, in realization, solve function；
The fixture (34) is fixed on the outside of the fixed jacket (27), and the unlocking arm (35) is rotatably arranged at
On the fixture (34), also, the bottom of the other end of the unlocking arm (35) and the steel wire rope is fixed；When the steel wire
When rope promotes the unlocking arm (35) to rotate, the appearance of the unlocking arm (35) is rotated towards the outside of the steel ball (33), is entered
And the steel ball (33) is pressed, the steel ball (33) is moved to the end face of the holder (32), and then promote the fixation
Device (32) overcomes the elastic force of the backrest lock set spring (31) and departs from the locked groove, realizes unblock.
Preferably, the seat surface plate (6) is carbon fiber seat surface plate.
Preferably, the backboard (13) is carbon fiber backboard.
Preferably, the backrest module (2) also includes anticollision strip (16) and backrest fitting sleeve (18)；
The anticollision strip (16) is fixed on the back side of the backboard (13)；The backrest fitting sleeve (18) is sheathed on described
Backrest joint (17).
Preferably, the backrest lock set (21) also includes adjusting screw (36), adjusting nut (37) and plug (38)；
The adjusting screw (36) and the adjusting nut (37) are used on the low side screwed hole of the locking bar (28)
In the length for adjusting the locking bar (28), it is ensured that without vertical play after locking bar (28) locking.
The achievable helicopter flight engineer's seat for folding completely and method for folding that this utility model is provided has following excellent
Point：
This utility model can provide back rest supports for mechanist, and seat can also install four point seat belt, be mechanist
More preferable confining guard is provided；The comfortableness taken when also improving mechanist's flight simultaneously.
Description of the drawings
Structural representation of the helicopter flight engineer's seat that Fig. 1 is provided for this utility model under a visual angle；
Structural representation of the helicopter flight engineer's seat that Fig. 2 is provided for this utility model under another visual angle；
The seat surface modular construction decomposing schematic representation that Fig. 3 is provided for this utility model；
The backrest module structural decomposition diagram that Fig. 4 is provided for this utility model；
The backrest retaining mechanism decomposing schematic representation that Fig. 5 is provided for this utility model；
The seat folding process schematic diagram that Fig. 6 is provided for this utility model.
Specific embodiment
In order that technical problem, technical scheme and beneficial effect that this utility model is solved become more apparent, below
With reference to drawings and Examples, this utility model is further elaborated.It should be appreciated that described herein be embodied as
Example only to explain this utility model, is not used to limit this utility model.
This utility model provides a kind of helicopter flight engineer's seat for being capable of achieving and folding completely, can provide backrest for mechanist
Support, seat can also be installed four point seat belt, provide more preferable confining guard for mechanist.This utility model utilizes backrest
Fold mechanism, is foldable to the backrest of seat concordant with seat surface, on the right side bulkhead of seat refolding to helicopter cockpit.
This utility model provide it is a kind of be capable of achieving the helicopter flight engineer's seat that folds completely, including chair top component 1, lean on
Back of the body component 2, backrest retaining mechanism 3, four point seat belt 4 and folding torsion spring 5；
Chair top component 1 include seat surface plate 6, left support abutment 7.1, right support abutment 7.2, left-hand joint 8, left-hand joint protective case 9,
Joint 11 and intermediate support 12 after the front connector 10, right side of right side；
The rear portion left and right sides of seat surface plate 6 fixes left support abutment 7.1 and right support abutment 7.2 respectively；Left support abutment 7.1 and right support abutment
7.2 are used for the backrest retaining mechanism 3 that is rotatably connected, and backrest retaining mechanism 3 is surrounded on left support abutment 7.1 and right support abutment 7.2
Hole rotates；In front of the right side of seat surface plate 6 and right side rear fixedly mounts joint 11 behind right side front connector 10 and right side respectively；Right side
After front connector 10 and right side, joint 11 is rotatably connected with helicopter cockpit passage right side wall panel, makes the carrying out that seat can be overall
Folding is packed up and is launched；When folding is packed up, seat is adjacent to helicopter cockpit passage right side wall panel；The left side of seat surface plate 6 is solid
Dingan County fills left-hand joint 8；After seat launches, the left-hand joint 8 for launching back seat is overlapped on the left of helicopter cockpit passage
On support member on wallboard, then left-hand joint protective case 9 is installed in the outside of left-hand joint 8；The back center position of seat surface plate 6
Fixed installation intermediate support 12, intermediate support 12 are rotatably connected with backrest module 2, realize folding backrest function；
Backrest module 2 includes backboard 13, seat belt guiding mechanism 14, lid 15 and backrest joint 17；Seat belt is oriented to
Mechanism 14 is installed on backboard 13, can be stretched about 13 along backboard；Lid 15 is fixed on the outside of backboard 13, covers and leans on
Back board module internal mechanism；Backrest joint 17 is fixed on the centre of the bottom of backboard 13, backrest joint 17 and chair top component 1
Bearing 12 is rotatably connected, and realizes backrest module with seat surface component joint or expansion；
Backrest retaining mechanism 3 includes backrest unblock button component 19, steel wire rope component 20 and backrest lock set 21；
Backrest unblock button component 19 includes solving upper cover of lock 22, latch release shaft 23, unblock button spring 24,25 and of hold-down support
Pole 26；The bottom of solution upper cover of lock 22 is fixedly connected with the top of latch release shaft 23；The bottom of hold-down support 25 offers through hole；Solution
After the bottom of lock shaft 23 is placed through the unblock button spring 24 in hold-down support 25, it is then passed through through hole and extends to hold-down support
25 outside；Pole 26 is placed in the lower section of hold-down support 25；Steel wire rope component 20 includes steel wire rope shell and is located at outside steel wire rope
Steel wire rope inside shell；Steel wire rope shell is fixed on hold-down support 25, and steel wire rope is fixed with pole 26；Press downwards solution to lock
During lid 22, solution upper cover of lock 22 drives latch release shaft 23 to move downward, and then compresses unblock button spring 24, and latch release shaft 23 is moved downward
When, promote pole 26 to move, and then pull the steel wire rope motion for being fixed on pole 26；When unclamping solution upper cover of lock 22, press in unblock
In the presence of the spring force of button spring 24, latch release shaft 23 is moved upwards, and then make solution upper cover of lock 22 return to original position；
Backrest lock set 21 includes fixed jacket 27, locking bar 28, fairlead 29, pad 30, backrest lock set spring 31, solid
Determine device 32, steel ball 33, fixture 34 and unlocking arm 35；
Locking bar 28 can be slided up and down along fixed jacket 27 by fairlead 29；The relative left and right sides difference of fixed jacket 27
Open up the 1st through hole and the 2nd through hole；Holder 32 laterally can be slid through the 1st through hole, and extend to the inside of fixed jacket 27；
1st through hole offers draw-in groove, and pad 30 is fixed in draw-in groove, and backrest lock set spring is arranged between draw-in groove and fixed jacket 27
31；Under the elastic force effect of backrest lock set spring 31, the end face of holder 32 is close to the 2nd through hole positioned at opposite side；Steel
The external diameter of pearl 33 is less than the 2nd through hole internal diameter, and steel ball 33 is placed in the 2nd through hole, also, the outer rim of steel ball 33 is expressed to the 2nd through hole
Outside, part steel ball is showed in the outside of fixed jacket 27；Holder 32 offers radial direction through hole, when backrest launches,
Locking bar 28 is promoted to pass through radial direction through hole and move downward, when locking bar 28 moves to bottom, the locked groove opened up on locking bar 28 is consolidated
Determine device 32 to fix, in realization, solve function；
Fixture 34 is fixed on the outside of fixed jacket 27, and unlocking arm 35 is rotatably arranged on fixture 34, also, solves
The other end of hammerlock 35 is fixed with the bottom of steel wire rope；When steel wire rope promotes unlocking arm 35 to rotate, the outer surface of unlocking arm 35
Rotate to the outside of steel ball 33, and then press steel ball 33, steel ball 33 is moved to the end face of holder 32, and then promote holder
32 elastic force for overcoming backrest lock set spring 31 and depart from locked groove, realize unblock.
In practical application, seat surface plate 6 is carbon fiber seat surface plate.Backboard 13 is carbon fiber backboard.Backrest module 2 is also wrapped
Include anticollision strip 16 and backrest fitting sleeve 18；Anticollision strip 16 is fixed on the back side of backboard 13；Backrest fitting sleeve 18 is sheathed on backrest
Joint 17.
Backrest lock set 21 also includes adjusting screw 36, adjusting nut 37 and plug 38；Adjusting screw 36 and adjusting nut
37 are arranged on the low side screwed hole of locking bar 28, for adjusting the length of locking bar 28, it is ensured that after locking bar 28 is locked, nothing is slided up and down
Gap.
Therefore, during rumble seat, the seat belt guiding mechanism in backrest module is pressed in backrest module, is then pressed
Solution upper cover of lock in backrest retaining mechanism, solution are locked the dynamic steel wire rope component of cover strip and unlock backrest retaining mechanism, backrest locking machine
Locking bar in structure can carry out axially-movable along fixed jacket, and backrest module can be with seat surface component joint, and then seat can be in folding
It is folded under the active force of folded torsion spring and fits with the right side wall of helicopter cockpit.
A kind of specific embodiment is described below：
Be capable of achieving the helicopter flight engineer's seat that folds completely, by seat surface component, backrest module, backrest retaining mechanism, four
Point seat belt and folding torsion spring composition.
(1) seat surface component
Seat surface component is by carbon fiber seat surface plate, left/right connects bearing, left side adjustment joint, protective case, right front connector, the right side
Joint and intermediate support are constituted afterwards.Wherein left side bearing and right side bearing are fixed on seat surface plate by screw assembly, left side
Seat and right side bearing are used to connect backrest retaining mechanism, and backrest retaining mechanism can surround the hole rotation on left/right bearing.Wherein
After right side front connector, right side, joint and left-hand joint are fixed on carbon fiber seat surface plate by bolt assembly, and right-hand joint passes through
It is bolted on the attachment lug of helicopter cockpit passage right side wall panel, the bolt axle that seat can pass through on auricle folds receipts
Rise and launch, launch on the left side adjustment U-shaped auricle of the overlapping splice in helicopter cockpit passage left side wall panel of back seat,
Wear-resistant protection sleeve is installed on left side adjustment joint.Intermediate support is fixed on carbon fiber seat surface plate by bolt assembly, backrest module
It is connected with carbon fiber seat surface plate by the intermediate support, backrest module can surround the hole of the intermediate support and be rotated, and realize leaning on
The back of the body is folded.Seat surface component is taken for mechanist.
(2) backrest module
Backrest module is by carbon fiber backboard, seat belt guiding mechanism, lid, anticollision strip, backrest joint and backrest joint
Set composition.Seat belt guiding mechanism is arranged on carbon fiber backboard, can be stretched along backboard up and down, be played when mechanist takes
Seat belt guide effect, when not using, the mechanism can reduce seat occupancy helicopter cockpit and lead in indentation carbon fiber backboard
The space in road.Lid is fixed on carbon fiber backboard by ten groups of screws, covers guiding mechanism component inside backboard.Anticollision
Bar is bolted on backrest by two groups, when seat is folded to it is concordant with helicopter cockpit passage right side wall panel when anticollision strip
First contact with wallboard, prevent the screw on wallboard from clashing into carbon fiber backboard, protect carbon fiber backboard.Backrest joint passes through
Screw assembly is connected with carbon fiber backboard, and the hole of backrest joint is connected with the intermediate support of seat surface component by bolt axle, is leaned on
Back of the body component can be rotated around bolt axle, realize backrest module and seat surface component joint, and backrest fitting sleeve is fixed on backrest joint,
Play a protective role during rotation.
(3) backrest retaining mechanism
Backrest retaining mechanism is made up of backrest unblock button component, two steel wire rope components and two backrest lock sets.Lean on
Back of the body unblock button is constituted by upper cover of lock, latch release shaft, spring, hold-down support and pole is solved.Latch release shaft is fixed on solution upper cover of lock and consolidates
Determine on bearing, solution upper cover of lock can be moved up and down as being oriented to along hold-down support by latch release shaft, and spring is provided with latch release shaft, to
Under press solution upper cover of lock after spring be stressed, after release, solution upper cover of lock return to original position under spring force.Backrest solution
Lock set is by fixed jacket, locking bar, fairlead, pad, spring, holder, steel ball, fixture, unlocking arm, adjusting screw, tune
Whole nut and plug composition.Locking bar can be slided up and down along fixed jacket by fairlead, fixed when locking bar slides into bottom
Device is moved in the lock slots of locking bar under the force of a spring, and locking bar is locked, and adjusting screw and adjusting nut are arranged on lock
On the low side screwed hole of bar, the length of locking bar is adjusted, it is ensured that without vertical play after locking bar locking, when needing unblock, use handss
Solution upper cover of lock is pressed downwards, unblock button component pulls steel wire rope, steel wire rope to pull unlocking arm, and then unlocking arm presses steel ball,
Make holder depart from the lock slots of locking bar, realize unblock.
In the state being fully deployed, the flight engineer's seat that this utility model is provided, disclosure satisfy that mechanist takes, works as execution
During complete aerial mission, need seat is folded on the right side wall with helicopter cockpit passage, it is ensured that mechanist and driver
By passage.The seat belt guiding mechanism in backrest module is pressed in backrest module during folding, then presses backrest locking
Unblock button in mechanism, unblock button drive steel wire rope to unlock backrest retaining mechanism, and the locking bar in backrest retaining mechanism can
Axially-movable is carried out along fixed jacket, backrest module can be with seat surface component joint.
As can be seen here, this utility model solves backrest folding problem, backrest is carried out by folding backrest mechanism
Support, locking, unblock and fold, and four point seat belt is mounted with for seat, improve safety and relax that mechanist takes
Adaptive.
This utility model can save space to greatest extent for helicopter cockpit passage, disclosure satisfy that driver and machine
Tool teacher is normal through helicopter cockpit passage.On the basis of the requirement for meeting above-mentioned channel space, seat increased backrest group
Part and four point seat belt, improve mechanist take safety and comfortableness, meet ergonomicss.
This utility model simple structure, it is safe and reliable, with higher environmental suitability, take advantage of when improve mechanist's flight
The safety of seat, with higher usability, has been widely used at present.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improve and
Retouching should also regard protection domain of the present utility model.
Claims (5)
1. it is a kind of to be capable of achieving the helicopter flight engineer's seat that folds completely, it is characterised in that including chair top component (1), backrest
Component (2), backrest retaining mechanism (3), four point seat belt (4) and folding torsion spring (5)；
The chair top component (1) is connect including seat surface plate (6), left support abutment (7.1), right support abutment (7.2), left-hand joint (8), left side
Head protection set (9), right side front connector (10), joint (11) and intermediate support (12) behind right side；
The rear portion left and right sides of the seat surface plate (6) fixes the left support abutment (7.1) and the right support abutment (7.2) respectively；It is described
Left support abutment (7.1) and the right support abutment (7.2) make the backrest locking for the backrest retaining mechanism (3) that is rotatably connected
Mechanism (3) can surround the hole rotation on the left support abutment (7.1) and the right support abutment (7.2)；Before the right side of the seat surface plate (6)
Side and right side rear fixedly mount joint (11) behind the right side front connector (10) and the right side respectively；The right side front connector
(10) seat and joint (11) is rotatably connected with helicopter cockpit passage right side wall panel behind the right side, is made overall to enter
Row folding is packed up and is launched；When folding is packed up, seat is adjacent to helicopter cockpit passage right side wall panel；The seat surface plate (6)
Left side fixedly mount the left-hand joint (8)；After seat launches, the left-hand joint (8) of expansion back seat is overlapped on goes straight up to
On support member in machine driving cabin passage left side wall panel, then the left-hand joint guarantor is installed in the outside of the left-hand joint (8)
Sheath (9)；The back center position of the seat surface plate (6) fixedly mounts the intermediate support (12), the intermediate support (12)
It is rotatably connected with the backrest module (2), realizes folding backrest function；
The backrest module (2) includes backboard (13), seat belt guiding mechanism (14), lid (15) and backrest joint (17)；
The seat belt guiding mechanism (14) is installed on the backboard (13), can be stretched along the backboard (13) up and down；It is described
Lid (15) is fixed on the outside of the backboard (13), covers backboard component internal mechanism；The backrest joint (17) is solid
Due to the bottom of the backboard (13), the intermediate support of the backrest joint (17) and the chair top component (1)
(12) it is rotatably connected, realizes backrest module with seat surface component joint or expansion；
The backrest retaining mechanism (3) includes backrest unblock button component (19), steel wire rope component (20) and backrest lock set
(21)；
The backrest unblock button component (19) includes solution upper cover of lock (22), latch release shaft (23), unblock button spring (24), fixation
Bearing (25) and pole (26)；The bottom of solution upper cover of lock (22) is fixedly connected with the top of the latch release shaft (23)；It is described
The bottom of hold-down support (25) offers through hole；The bottom of the latch release shaft (23) is placed through in the hold-down support (25)
After unblock button spring (24), it is then passed through the through hole and extends to the outside of the hold-down support (25)；The pole (26)
It is placed in the lower section of the hold-down support (25)；The steel wire rope component (20) is including steel wire rope shell and is located at outside the steel wire rope
Steel wire rope inside shell；The steel wire rope shell is fixed on the hold-down support (25), the steel wire rope and the pole
(26) it is fixed；When pressing downwards solution upper cover of lock (22), the solution upper cover of lock (22) drives the latch release shaft (23) to transport downwards
It is dynamic, and then the unblock button spring (24) is compressed, when the latch release shaft (23) moves downward, promote pole (26) fortune
It is dynamic, and then pull the steel wire rope motion for being fixed on the pole (26)；When unclamping solution upper cover of lock (22), press in the unblock
In the presence of the spring force of button spring (24), the latch release shaft (23) is moved upwards, and then make solution upper cover of lock (22) extensive
Original position is arrived again；
The backrest lock set (21) includes fixed jacket (27), locking bar (28), fairlead (29), pad (30), backrest lock group
Part spring (31), holder (32), steel ball (33), fixture (34) and unlocking arm (35)；
The locking bar (28) can be slided up and down along the fixed jacket (27) by the fairlead (29)；The fixed jacket
(27) the relative left and right sides opens up the 1st through hole and the 2nd through hole respectively；The holder (32) laterally can be slid through described
1 through hole, and extend to the inside of the fixed jacket (27)；1st through hole offers draw-in groove, and the pad (30) is fixed on
In the draw-in groove, the backrest lock set spring (31) is set between the draw-in groove and the fixed jacket (27)；In backrest lock
Under the elastic force effect of component spring (31), the end face of the holder (32) is close to the 2nd through hole positioned at opposite side；Institute
The external diameter of steel ball (33) is stated less than the 2nd through hole internal diameter, the steel ball (33) is placed in the 2nd through hole, also, the steel
The outer rim of pearl (33) is expressed to the outside of the 2nd through hole, part steel ball is showed in the outside of the fixed jacket (27)；Institute
State holder (32) and offer radial direction through hole, when backrest launches, promote the locking bar (28) through the radial direction through hole to
Lower motion, when the locking bar (28) moves to bottom, the locked groove opened up on the locking bar (28) is blocked by the holder (32)
Gu, in realization, solve function；
The fixture (34) is fixed on the outside of the fixed jacket (27), and the unlocking arm (35) is rotatably arranged at described
On fixture (34), also, the bottom of the other end of the unlocking arm (35) and the steel wire rope is fixed；When the steel wire rope is pushed away
When the dynamic unlocking arm (35) rotates, the appearance of the unlocking arm (35) is rotated towards the outside of the steel ball (33), and then is pressed
The steel ball (33) is pressed, the steel ball (33) is moved to the end face of the holder (32), and then is promoted the holder
(32) overcome the elastic force of the backrest lock set spring (31) and depart from the locked groove, realize unblock.
2. it is according to claim 1 to be capable of achieving the helicopter flight engineer's seat that folds completely, it is characterised in that the seat surface
Plate (6) is carbon fiber seat surface plate.
3. it is according to claim 1 to be capable of achieving the helicopter flight engineer's seat that folds completely, it is characterised in that the backrest
Plate (13) is carbon fiber backboard.
4. it is according to claim 1 to be capable of achieving the helicopter flight engineer's seat that folds completely, it is characterised in that the backrest
Component (2) also includes anticollision strip (16) and backrest fitting sleeve (18)；
The anticollision strip (16) is fixed on the back side of the backboard (13)；The backrest fitting sleeve (18) is sheathed on the backrest
Joint (17).
5. it is according to claim 1 to be capable of achieving the helicopter flight engineer's seat that folds completely, it is characterised in that the backrest
Lock set (21) also includes adjusting screw (36), adjusting nut (37) and plug (38)；
The adjusting screw (36) and the adjusting nut (37) on the low side screwed hole of the locking bar (28), for adjusting
The length of the whole locking bar (28), it is ensured that without vertical play after locking bar (28) locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621035231.7U CN206068167U (en) | 2016-08-31 | 2016-08-31 | It is capable of achieving the helicopter flight engineer's seat for folding completely |
Applications Claiming Priority (1)
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| CN201621035231.7U CN206068167U (en) | 2016-08-31 | 2016-08-31 | It is capable of achieving the helicopter flight engineer's seat for folding completely |
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| CN206068167U true CN206068167U (en) | 2017-04-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218897A (en) * | 2016-08-31 | 2016-12-14 | 北京安达维尔航空设备有限公司 | The helicopter flight engineer's seat folded completely can be realized |
| CN113562179A (en) * | 2021-08-30 | 2021-10-29 | 航宇救生装备有限公司 | Crash-resistant seat employing extruded tube energy absorber |
-
2016
- 2016-08-31 CN CN201621035231.7U patent/CN206068167U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218897A (en) * | 2016-08-31 | 2016-12-14 | 北京安达维尔航空设备有限公司 | The helicopter flight engineer's seat folded completely can be realized |
| CN113562179A (en) * | 2021-08-30 | 2021-10-29 | 航宇救生装备有限公司 | Crash-resistant seat employing extruded tube energy absorber |
| CN113562179B (en) * | 2021-08-30 | 2023-10-27 | 航宇救生装备有限公司 | Crash-resistant seat using extruded tube energy absorber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170405 Effective date of abandoning: 20180320 |