CN110155341A - A kind of observer's seat and its application method - Google Patents
A kind of observer's seat and its application method Download PDFInfo
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- CN110155341A CN110155341A CN201910490514.2A CN201910490514A CN110155341A CN 110155341 A CN110155341 A CN 110155341A CN 201910490514 A CN201910490514 A CN 201910490514A CN 110155341 A CN110155341 A CN 110155341A
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- seat board
- seat
- backboard
- connecting rod
- leg lock
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- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000003860 storage Methods 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 16
- 230000007306 turnover Effects 0.000 claims abstract description 14
- 238000013461 design Methods 0.000 claims description 14
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000013011 mating Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 208000012287 Prolapse Diseases 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
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- 239000011496 polyurethane foam Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
- B64D11/06—Arrangements of seats, or adaptations or details specially adapted for aircraft seats
- B64D11/0639—Arrangements of seats, or adaptations or details specially adapted for aircraft seats with features for adjustment or converting of seats
- B64D11/064—Adjustable inclination or position of seats
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Seats For Vehicles (AREA)
Abstract
The present invention provides a kind of observer's seat and its application method, and observer's seat includes: seat frame, storage tank, preceding chair leg lock, back leg lock, seat board, seat board turnover mechanism, seat board overturning position-limiting unit, backboard and backboard ganged movement mechanism；Backboard ganged movement mechanism includes the backboard ganged movement unit being symmetrically positioned at left and right sides of the backboard, and the backboard ganged movement unit includes backrest connecting rod, universal driving shaft and connecting rod guiding axis.A kind of observer's seat provided by the invention and its application method have the advantage that a kind of observer's seat provided by the invention and its application method, seat shape is beautiful, structure is simple, light-weight, structural reliability is high, the comfort that occupant uses especially both was guaranteed, reduce the occupied space of seat to the greatest extent again, therefore, installation requirement and the functional requirement of its mating type be can satisfy.
Description
Technical field
The invention belongs to aircraft seat design fields, and in particular to a kind of observer's seat and its application method.
Background technique
Observer's seat, which refers to, to be arranged in cockpit, and pilot seat rear is located at, the seat in (positive course) on the left of passageway
Chair.The reliability of observer's seat plays a crucial role the safety of occupant, when aircraft takeoff, lands and patrols
Air-flow is encountered during boat, when pitching, seat is for passenger riding and provides certain support, protects occupant's personal safety.
In addition, being limited to the relatively small influence of observer's seat arrangement space, the comfort that occupant uses how was not only guaranteed, but also as far as possible
The occupied space for reducing seat is thing in the urgent need to address at present.
Summary of the invention
In view of the defects existing in the prior art, the present invention provides a kind of observer's seat and its application method, can effectively solve
The certainly above problem.
The technical solution adopted by the invention is as follows:
The present invention provides a kind of observer's seat, comprising: seat frame (1), storage tank (2), preceding chair leg lock (3), rear chair
Leg locks (4), seat board (5), seat board turnover mechanism (6), seat board overturning position-limiting unit, backboard (7) and backboard ganged movement machine
Structure (8)；
The seat frame (1) is the frame structure surrounded by peripheral side plate；In a side-lower of the seat frame (1)
The storage tank (2) are set；Preceding chair leg lock (3) described in the installed in front of storage tank (2) bottom；Storage tank (2) bottom
The rear side in portion installs the back leg lock (4)；
The seat board (5) is installed in the position of the seat frame (1) on the lower, also, the seat board (5) passes through the seat board
Turnover mechanism (6) is connect with the seat frame (1), by the seat board turnover mechanism (6), realizes that the seat board (5) is automatic
Fold；The seat board overturning position-limiting unit includes that position-limiting unit is unfolded in vertical overturning position-limiting unit and seat board, by described vertical
Position-limiting unit is overturn, realizes that the seat board (5) turns down automatically and keeps vertical state；Position-limiting unit is unfolded by the seat board,
Realize the seat board (5) expansion after maintenance level state；
The backboard (7) is set to the top of the seat frame (1), and is located above the shaft of the seat board (5)；
Backboard ganged movement mechanism (8) includes the backboard ganged movement list being symmetrically positioned at left and right sides of the backboard (7)
Member, the backboard ganged movement unit include backrest connecting rod (8-1), universal driving shaft (8-2) and connecting rod guiding axis (8-3)；
The backrest connecting rod (8-1) is fixed on the side of the backboard (7), forms one with the backboard (7)；The backrest
The length of connecting rod (8-1) is greater than the length of the backboard (7)；The bottom of the backrest connecting rod (8-1) passes through described
Moving axis (8-2) is connect with the rear ear (5-1) of the seat board (5)；Slotted hole is opened up at the top of the backrest connecting rod (8-1)
(8-4), the connecting rod guiding axis (8-3) is horizontally disposed, also, institute is fixed in one end of the connecting rod guiding axis (8-3)
State seat frame (1) above, the other end of the connecting rod guiding axis (8-3) passes through the slotted hole (8-4)；When the seat board
(5) when fold or expansion act, the backrest connecting rod (8-1) is driven to move by the universal driving shaft (8-2), also, described
When backrest connecting rod (8-1) moves, the slotted hole (8-4) on top is moved along the connecting rod guiding axis (8-3).
Preferably, the seat board turnover mechanism (6) includes torsional spring pendant (6-1), rotation central spindle (6-2) and torsional spring (6-3)；
Rotation central spindle (6-2) is horizontally placed on the rear end of the seat board (5), one end of rotation central spindle (6-2)
It is fixed with the seat frame (1) of corresponding position；The torsional spring pendant (6-1) is fixedly connected with the rotation central spindle (6-2),
And it is fixed with the seat frame (1)；The torsional spring (6-3) is placed on outside the rotation central spindle (6-2), also, the torsional spring
The one end of (6-3) is fixedly connected with the torsional spring pendant (6-1), and the other end is butted on the seat board (5), passes through the torsional spring
The twisting resistance of (6-3) rotates the seat board (5) around the seat board shaft of itself, realizes the automatic fold of the seat board (5).
Preferably, the vertical overturning position-limiting unit is spacer pin (9)；The spacer pin (9) is fixed on the seat board (5)
A side-lower, and be located on the path of the seat board (5) rear structure rotation, the flip angle of the seat board (5) carried out
Limit keeps vertical state after folding the seat board (5) overturning；
The seat board expansion position-limiting unit is chain (10)；After the chain (10) is vertically installed in the seat board (5)
The one end in portion, the chain (10) is fixedly connected with the seat frame (1), the other end and the seat board of the chain (10)
(5) rear structure is fixed；When the seat board (5) is deployed into horizontality, the chain (10) is tightened up, and to the seat
Plate (5) applies pulling force, limits to the expanded angle of the seat board (5), keeps horizontal after the seat board (5) are unfolded
State；When the seat board (5), which are overturn, to be folded, the top of the chain (10) folds as the seat board (5) are overturn and is moved down, because
This, the chain (10) is relaxed state.
Preferably, the preceding chair leg lock (3) includes preceding chair leg lock main body (3-1), front pressuring plate (3-2) and preceding washer (3-3)；
The cross section and sliding rail section of preceding chair leg lock main body (3-1) carry out matched design, in preceding chair leg lock main body (3-1)
Several flanges of lateral layout, to be stuck in sliding rail sliding slot；The upper surface of preceding chair leg lock main body (3-1) the installation front pressuring plate
(3-2), when preceding chair leg lock main body (3-1) is placed in sliding rail sliding slot, the front pressuring plate (3-2) is fixed with sliding rail sliding slot；Institute
The preceding washer (3-3) is installed with chair leg connecting portion at the top of chair leg lock main body (3-1) before stating；
The back leg lock (4) includes back leg lock main body (4-1), rear fender (4-2) and rear washer (4-3)；After described
Chair leg locks the cross section of main body (4-1) and sliding rail section carries out matched design, sets in the side of back leg lock main body (4-1)
Several flanges are counted, to be stuck in sliding rail sliding slot；The upper surface of described back leg lock main body (4-1) installation rear fender (4-2), when
When back leg lock main body (4-1) is placed in sliding rail sliding slot, the rear fender (4-2) is fixed with sliding rail sliding slot；The back leg
It locks and the rear washer (4-3) is installed at the top of main body (4-1) with chair leg connecting portion；In addition, rear fender (4-2) design is oriented
Under rear fender flange, the rear fender flange is inserted into sliding rail mounting hole, limits seat front-rear direction freedom degree.
The present invention also provides a kind of application methods of observer's seat, comprising the following steps:
Step 1, during seat board (5) is turned down automatically from horizontality as vertical state around seat board shaft, seat board (5)
Rear end is rotated clockwise around seat board shaft, direction of rotation description are as follows: seat board (5) rear end is rotated to back lower place direction；
Since seat board (5) is connect with the lower end of backrest connecting rod (8-1) by universal driving shaft (8-2), in seat board (5)
When rear end is rotated to back lower place direction, the lower end of backrest connecting rod (8-1) is driven to revolve to back lower place direction by universal driving shaft (8-2)
Turn, meanwhile, make the slotted hole (8-4) on the top backrest connecting rod (8-1) along connecting rod guiding axis (8-3) slide downward, and make to lean on
Back top connecting rod (8-1) turns forward；Since backrest connecting rod (8-1) and backboard (7) form one, drive backrest
The bottom end of plate (7) is moved to back lower place direction, and the top of backboard (7) is driven to turn forward, to keep backboard (7) front whole
Become smaller with horizontal plane inclination angle, backboard (7) tends to move to vertical state；Thus the seat for making backboard (7) and folding up
Gap amplification between plate (5) places safety belt in the gap；
Step 2, during seat board (5) rotates to horizontality from vertical state around seat board shaft, seat board (5) rear end
It is rotated counterclockwise around seat board shaft, direction of rotation description are as follows: seat board (5) rear end forward upward direction rotates；
When seat board (5) rear end forward upward direction rotates, the lower end forward upward direction of backrest connecting rod (8-1) is revolved
Turn, meanwhile, make the slotted hole (8-4) on the top backrest connecting rod (8-1) along connecting rod guiding axis (8-3) upward sliding, and make to lean on
Back top connecting rod (8-1) retreats；Since backrest connecting rod (8-1) and backboard (7) form one, backboard (7)
The movement of bottom end forward upward direction, the top of backboard (7) retreats, to make the positive entirety of backboard (7) and horizontal plane
Inclination angle becomes larger, and backboard (7) is to tilt backwards state, improves the comfort of passenger riding.
A kind of observer's seat provided by the invention and its application method have the advantage that
A kind of observer's seat provided by the invention and its application method, seat shape is beautiful, structure is simple, it is light-weight,
Structural reliability is high, has especially not only guaranteed the comfort that occupant uses, but also reduce the occupied space of seat, therefore, Ke Yiman to the greatest extent
The installation requirement of its mating type of foot and functional requirement.
Detailed description of the invention
Fig. 1 is the overall structure figure of observer's seat provided by the invention；
Fig. 2 is structure chart when storage tank is opened；
Fig. 3 is the partial enlarged view of chair leg lock section position；
Fig. 4 is the structure chart of front pressuring plate；
Fig. 5 is the structure chart of rear fender；
Fig. 6 is the schematic diagram of chair leg setting angle；
Fig. 7 is the three-dimensional structure diagram of backboard ganged movement mechanism；
Fig. 8 is the Facad structure figure of backboard ganged movement mechanism；
Fig. 9 is the assembling relationship figure of connecting rod guiding axis and slotted hole；
Figure 10 is the assembling relationship figure of backrest connecting rod, universal driving shaft and rear ear；
Figure 11 is the structure chart of seat board turnover mechanism；
Figure 12 is the rigging position schematic diagram of a kind of angle lower limit pin and chain；
Figure 13 is the rigging position schematic diagram of another angle lower limit pin and chain；
Figure 14 is the partial enlarged view of spacer pin and chain assembly relation.
Specific embodiment
In order to which the technical problems, technical solutions and beneficial effects solved by the present invention is more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein only to
It explains the present invention, is not intended to limit the present invention.
The purpose of the present invention is to provide a kind of good appearances, the observer that structure is simple, light-weight, structural reliability is high
Seat had especially not only guaranteed the comfort that occupant uses, but also has reduced the occupied space of seat to the greatest extent, therefore, it is mating to can satisfy its
The installation requirement of type and functional requirement.
The present invention provides a kind of observer's seat, with reference to attached drawing, comprising: seat frame 1, storage tank 2, preceding chair leg lock 3, after
Chair leg lock 4, seat board 5, seat board turnover mechanism 6, seat board overturning position-limiting unit, backboard 7 and backboard ganged movement mechanism 8.Under
It is discussed in detail in face of each core component:
(1) storage tank and chair leg lock
Seat frame 1 is the frame structure surrounded by peripheral side plate；In a side-lower of seat frame 1, storage tank 2 is set；
With reference to Fig. 2, storage tank 2 can be life jacket storage bin, be designed at below seat board, and size is set according to common life jacket size
Meter, the interior installation supporting plate 16 of storage tank and side baffle 17, another design has pull rod 18 to connect with life jacket cover for storage case, specifically, rescuing
Raw clothing cover board can be rotated down opening around shaft below, so that occupant takes life jacket, 18 one end of pull rod is connected to seat frame
On frame 1, one end is connected with life jacket cover board, is limited the open angle of life jacket cover for storage case, so that life jacket stores
It forms an angle after case lid is opened with floor, prevents occupant from trampling, and occupant can conveniently shut life jacket storage with heel
Case lid.
Chair leg lock 3 before the installed in front of 2 bottom of storage tank；The rear side installation back leg lock 4 of 2 bottom of storage tank；
Since the positive course of observer's seat is mounted in cockpit, it is located at pilot seat rear, (positive boat on the left of passageway
To), the chair back abuts washroom front panel.Position is narrowed since seat is located at bulkhead, the front sliding rail by bulkhead is into aircraft
5.1 ° of heart deflecting facet, and sliding rail is with respect to seat asymmetry.
Therefore, in the present invention, seat is scheduled on aircraft sliding rail by four chair leg lockings, and aircraft sliding rail is four sections of section phases
Same aluminium alloy sliding rail, wherein 5.1 ° of left front sliding rail and aircraft central symmetry deflecting facet, the parallel aircraft center pair of other sliding rails
Title face.Smoothly to install convenient for seat, chair leg locks section and sliding rail sectional dimension carries out matched design, sets in left front chair leg front end
It has counted and the corresponding deflection angle of sliding rail, and has increased soft washer in chair leg lock two sides.It prevents chair leg lock from loosening using pressing plate, prevents
Seat shakes, and back leg locks pressing plate and increases downward flanged structure, prevents seat from sliding back and forth, while can guarantee that seat intensity meets
It is required that.Specifically, left side chair leg Front-end Design is consistent with sliding rail installation deflection angle at 5.1 ° of angles of deflection, preceding chair leg lock, back leg
The section of lock is and sliding rail section carries out matched design, and in preceding chair leg lock, back leg locks end and left side chair leg connecting portion is equal
There are certain interval, centre is filled with washer, and gasket materials are soft rubber, and in seat installation, it can be compressed, so that
Seat has certain mobile space in seat left and right directions, is mounted on the aircraft sliding rail of deflection convenient for seat.
With reference to Fig. 3-Fig. 6, preceding chair leg lock 3 includes preceding chair leg lock main body 3-1, front pressuring plate 3-2 and preceding washer 3-3；Preceding chair leg
The cross section and sliding rail section for locking main body 3-1 carry out matched design, lock several flanges of lateral layout of main body 3-1 in preceding chair leg,
To be stuck in sliding rail sliding slot, it is unlikely to prolapse upwards；Front and back flange spacing is 1 inch, matches with aircraft sliding rail and reserves one
Fixed gap.Since there are certain intervals between chair leg lock and aircraft sliding rail, to prevent seat from shaking, preceding chair leg lock main body 3-1's
Front pressuring plate 3-2 is installed above, when current chair leg lock main body 3-1 is placed in sliding rail sliding slot, front pressuring plate 3-2 and sliding rail sliding slot fastener
It is fixed；Play anti-loose effect.Washer 3-3 before being installed at the top of preceding chair leg lock main body 3-1 with chair leg connecting portion；
Back leg lock 4 includes back leg lock main body 4-1, rear fender 4-2 and rear washer 4-3；The cross of back leg lock main body 4-1
Section and sliding rail section carry out matched design, in several flanges of lateral layout of back leg lock main body 4-1, to be stuck in sliding rail sliding slot
It is interior；Back leg locks the upper surface of main body 4-1 installation rear fender 4-2, when back leg lock main body 4-1 is placed in sliding rail sliding slot, rear fender
4-2 is fixed with sliding rail sliding slot；Back leg locks the top main body 4-1 and washer 4-3 after the installation of chair leg connecting portion；In addition, rear fender
4-2 design has downward rear fender flange, and rear fender flange can be inserted into sliding rail mounting hole, limits seat front-rear direction freedom degree.
This makes special-shaped sliding rail seat that can facilitate installation, and is able to satisfy intensity index requirement.
(2) seat board turnover mechanism
Seat board 5 is connect by seat board turnover mechanism 6 with seat frame 1, by seat board turnover mechanism 6, realizes that seat board 5 is automatic
Fold；
With reference to Figure 11, seat board turnover mechanism 6 includes torsional spring pendant 6-1, rotation central spindle 6-2 and torsional spring 6-3；Seat board it is automatic
It flips up and is realized by the twist mechanism of torsional spring pendant 6-1, rotation central spindle 6-2 and torsional spring 6-3 composition.
Rotation central spindle 6-2 is horizontally placed on the rear end of seat board 5, rotates one end of central spindle 6-2 and the seat frame of corresponding position
Frame 1 is fixed；Torsional spring pendant 6-1 is fixedly connected with rotation central spindle 6-2, and fixed with seat frame 1；Torsional spring 6-3 is placed on rotary shaft
Outside core 6-2, also, one end of torsional spring 6-3 is fixedly connected with torsional spring pendant 6-1, and the other end is butted on seat board 5, passes through torsional spring
The twisting resistance of 6-3 rotates seat board 5 around the seat board shaft of itself, realizes the automatic fold of seat board 5.
Therefore, when occupant leaves seat, seat board can be flipped up automatically to vertical position, to save space, pass through fixation
Two torsional springs at seat board rear realize that seat board turns down function.
(3) seat board overturns position-limiting unit
The position installation seat plate 5 of seat frame 1 on the lower, it includes vertical overturning position-limiting unit and seat that seat board, which overturns position-limiting unit,
Position-limiting unit is unfolded in plate, by overturning position-limiting unit vertically, realizes that seat board 5 turns down automatically and keeps vertical state；Pass through seat board
Position-limiting unit is unfolded, realizes maintenance level state after the expansion of seat board 5；
With reference to Figure 12-Figure 14, the vertical position-limiting unit that overturns is spacer pin 9；Spacer pin 9 is fixed on a side-lower of seat board 5,
And be located on the path of 5 rear structure of seat board rotation, the flip angle of seat board 5 is limited, is protected after folding the overturning of seat board 5
Hold vertical state；
It is chain 10 that position-limiting unit, which is unfolded, in seat board；Chain 10 is vertically installed in the rear portion of seat board 5, one end of chain 10 and seat
Chair frame 1 is fixedly connected, and the rear structure of the other end and seat board 5 of chain 10 is fixed；When seat board 5 is deployed into horizontality,
Chain 10 is tightened up, and applies pulling force to seat board 5, is limited to the expanded angle of seat board 5, keeps water after seat board 5 is unfolded
Level state；When seat board 5, which is overturn, to be folded, the top of chain 10 folds as seat board 5 is overturn and is moved down, and therefore, chain 10 is pine
Relaxation state.
Therefore, seat board, which has to pack up, folds and unfolds two states.When seat board packs up folding, it is guaranteed using spacer pin
Pack up it is rear in a vertical position, when seat board expansion when, limited using chain, guarantee its expansion after be in a horizontal position, conveniently multiply
Member uses.
In the application, seat board be unfolded position-limiting unit use chain, seat when not in use, chain is relaxed state；And work as
Seat is by occupant in use, chain is tension.Therefore, chain only seat use when stress, can be improved what seat used
Reliability.More importantly the present invention carries out Horizontal limiting, compared with conventionally employed rigid limit part, chain using chain
Item is a kind of flexible limit part, and in aircraft flight, chain is unlikely to deform, and therefore, further increases what locating part used
Reliability and service life.
(4) backboard ganged movement mechanism
Backboard ganged movement mechanism belongs to the application important innovations point.
With reference to Fig. 7-Figure 10, backboard 7 is set to the top of seat frame 1, and is located above the shaft of seat board 5；Backrest
Plate ganged movement mechanism 8 includes the backboard ganged movement unit for being symmetrically positioned in 7 left and right sides of backboard, backboard ganged movement
Unit includes backrest connecting rod 8-1, universal driving shaft 8-2 and connecting rod guiding axis 8-3；Backrest connecting rod 8-1 is fixed on backboard 7
Side forms one with backboard 7；The length of backrest connecting rod 8-1 is greater than the length of backboard 7；The bottom of backrest connecting rod 8-1
Portion is connect by universal driving shaft 8-2 with the rear ear 5-1 of seat board 5；Slotted hole 8-4, connecting rod are opened up at the top of backrest connecting rod 8-1
Guiding axis 8-3 is horizontally disposed, also, one end of connecting rod guiding axis 8-3 is fixed on above seat frame 1, connecting rod guiding axis
The other end of 8-3 passes through slotted hole 8-4；When the fold of seat board 5 or expansion act, backrest connecting rod is driven by universal driving shaft 8-2
8-1 movement, also, when backrest connecting rod 8-1 movement, the slotted hole 8-4 on top is moved along connecting rod guiding axis 8-3.
The principle of backboard ganged movement mechanism are as follows:
Step 1, during seat board 5 is turned down automatically from horizontality as vertical state around seat board shaft, 5 rear end of seat board
It is rotated clockwise around seat board shaft, direction of rotation description are as follows: 5 rear end of seat board is rotated to back lower place direction；
Since seat board 5 is connect with the lower end of backrest connecting rod 8-1 by universal driving shaft 8-2,5 rear end of seat board backward
When lower section direction rotates, the lower end of backrest connecting rod 8-1 is driven to rotate to back lower place direction by universal driving shaft 8-2, meanwhile, make to lean on
The slotted hole 8-4 on the top connecting rod 8-1 is carried on the back along connecting rod guiding axis 8-3 slide downward, and makes the top backrest connecting rod 8-1 forward
Incline；Since backrest connecting rod 8-1 and backboard 7 form one, drive the bottom end of backboard 7 to move to back lower place direction,
Drive the top of backboard 7 to turn forward, to make the front of backboard 7 is whole to become smaller with horizontal plane inclination angle, backboard 7 tend to
Vertical state movement；Thus amplify the gap between backboard 7 and the seat board folded up 5, can be stored and be pacified with slot milling
Full band decreases the occupied space of safety belt so that entire seat is more beautiful after packing up.
Step 2, during seat board 5 rotates to horizontality from vertical state around seat board shaft, 5 rear end of seat board is around seat
Plate shaft rotates counterclockwise, direction of rotation description are as follows: 5 rear end forward upward direction of seat board rotates；
When 5 rear end forward upward direction of seat board rotates, the lower end forward upward direction of backrest connecting rod 8-1 rotates, together
When, make the slotted hole 8-4 on the top backrest connecting rod 8-1 along connecting rod guiding axis 8-3 upward sliding, and make backrest connecting rod 8-1
Top retreats；Since backrest connecting rod 8-1 and backboard 7 form one, the bottom end forward upward direction of backboard 7
Movement, the top of backboard 7 retreat, to make the front of backboard 7 is whole to become larger with horizontal plane inclination angle, backboard 7 is backward
Heeling condition is convenient for passenger riding, and improves the comfort of passenger riding.
Therefore, in the application, seat back angle can be rotated with seat board, and when seat board folding, backrest is also retracted into vertical shape
State reduces the space occupied；And when seat board is opened, backrest also rotates by a certain angle into the state of tilting backwards, and provides for occupant
Certain comfort mitigates and takes fatigue.
(5) associate member
Seat configuration four point seat belt 12 and seat cushion can guarantee the personal safety of occupant, and have certain
Comfort.
Seat cushion 11, back cushion 12, head rest 14 are bonded on chair framework by fire-retardant pull stap, and seat cushion 11 is bonded in seat board
On decorative panel above, back cushion 13 is bonded on backboard, and head rest 14 is bonded on head rest skeleton 15, and head rest skeleton 15 passes through tight
Firmware and upper beam connect firmly, and are fixed on seat frame, and head rest can be facilitated to install and improve the intensity of backrest.
Observer's seat of the present invention has mainly used five kinds of materials, preceding chair leg lock, front shroud, back leg lock, back shroud, chain
Fixed pin, chain, spacer pin, shaft, fixed pin material are structural steel, are added and are made by machine.Seat cushion, back cushion, head rest material
For polyurethane foam, it is manufactured by foaming.Gasket materials are rubber, and torsional spring material is carbon spring steel wires, by machine plus
Manufacture.Other parts material is aluminium alloy, passes through machine plus punch forming.
In conclusion observer's seat provided by the invention, install convenient is easy to use, and structure is simple, high reliablity,
It occupies little space, good appearance, seat main components are all made of aerolite machine add-on type, light-weight, high reliablity, again
With certain comfort.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
Depending on protection scope of the present invention.
Claims (5)
1. a kind of observer's seat characterized by comprising seat frame (1), storage tank (2), preceding chair leg lock (3), back leg
Lock (4), seat board (5), seat board turnover mechanism (6), seat board overturning position-limiting unit, backboard (7) and backboard ganged movement mechanism
(8)；
The seat frame (1) is the frame structure surrounded by peripheral side plate；It is arranged in a side-lower of the seat frame (1)
The storage tank (2)；Preceding chair leg lock (3) described in the installed in front of storage tank (2) bottom；Storage tank (2) bottom
Rear side installs the back leg lock (4)；
The seat board (5) is installed in the position of the seat frame (1) on the lower, also, the seat board (5) is overturn by the seat board
Mechanism (6) is connect with the seat frame (1), by the seat board turnover mechanism (6), realizes that the seat board (5) turns down automatically；
The seat board overturning position-limiting unit includes that position-limiting unit is unfolded in vertical overturning position-limiting unit and seat board, is limited by the vertical overturning
Bit location realizes that the seat board (5) turns down automatically and keeps vertical state；Position-limiting unit is unfolded by the seat board, realizes institute
State maintenance level state after seat board (5) are unfolded；
The backboard (7) is set to the top of the seat frame (1), and is located above the shaft of the seat board (5)；It is described
Backboard ganged movement mechanism (8) includes the backboard ganged movement unit being symmetrically positioned at left and right sides of the backboard (7), institute
Stating backboard ganged movement unit includes backrest connecting rod (8-1), universal driving shaft (8-2) and connecting rod guiding axis (8-3)；It is described to lean on
Back connecting rod (8-1) is fixed on the side of the backboard (7), forms one with the backboard (7)；The backrest connecting rod
The length of (8-1) is greater than the length of the backboard (7)；The bottom of the backrest connecting rod (8-1) passes through the universal driving shaft (8-
2) it is connect with the rear ear (5-1) of the seat board (5)；Slotted hole (8-4), institute are opened up at the top of the backrest connecting rod (8-1)
It is horizontally disposed to state connecting rod guiding axis (8-3), also, the seat frame is fixed in one end of the connecting rod guiding axis (8-3)
Above, the other end of the connecting rod guiding axis (8-3) passes through the slotted hole (8-4) to frame (1)；When the seat board (5) turn down
Or when expansion movement, the backrest connecting rod (8-1) is driven to move by the universal driving shaft (8-2), also, the backrest connects
When bar (8-1) moves, the slotted hole (8-4) on top is moved along the connecting rod guiding axis (8-3).
2. observer's seat according to claim 1, which is characterized in that the seat board turnover mechanism (6) includes that torsional spring is hung
Part (6-1), rotation central spindle (6-2) and torsional spring (6-3)；
Rotation central spindle (6-2) is horizontally placed on the rear ends of the seat board (5), one end of rotation central spindle (6-2) with it is right
Answer the seat frame (1) of position fixed；The torsional spring pendant (6-1) is fixedly connected with the rotation central spindle (6-2), and with
The seat frame (1) is fixed；The torsional spring (6-3) is placed on outside the rotation central spindle (6-2), also, the torsional spring (6-3)
One end be fixedly connected with the torsional spring pendant (6-1), the other end is butted on the seat board (5), passes through the torsional spring (6-3)
Twisting resistance rotates the seat board (5) around the seat board shaft of itself, realizes the automatic fold of the seat board (5).
3. observer's seat according to claim 2, which is characterized in that the vertical overturning position-limiting unit is spacer pin
(9)；The spacer pin (9) is fixed on a side-lower of the seat board (5), and is located at the rotation of the seat board (5) rear structure
On path, the flip angle of the seat board (5) is limited, keeps vertical state after folding the seat board (5) overturning；
The seat board expansion position-limiting unit is chain (10)；The chain (10) is vertically installed in the rear portion of the seat board (5), institute
The one end for stating chain (10) is fixedly connected with the seat frame (1), the other end and the seat board (5) of the chain (10)
Rear structure is fixed；When the seat board (5) is deployed into horizontality, the chain (10) is tightened up, and to the seat board (5)
Apply pulling force, the expanded angle of the seat board (5) is limited, keeps horizontality after the seat board (5) are unfolded；Work as institute
When stating seat board (5) overturning folding, the top of the chain (10) folds as the seat board (5) are overturn and is moved down, therefore, described
Chain (10) is relaxed state.
4. observer's seat according to claim 1, which is characterized in that the preceding chair leg lock (3) includes preceding chair leg lock master
Body (3-1), front pressuring plate (3-2) and preceding washer (3-3)；The cross section and sliding rail section of preceding chair leg lock main body (3-1) carry out
Matched design, in several flanges of lateral layout of preceding chair leg lock main body (3-1), to be stuck in sliding rail sliding slot；The preceding chair
Leg locks the upper surface of main body (3-1) installation front pressuring plate (3-2), when preceding chair leg lock main body (3-1) is placed in sliding rail sliding slot,
The front pressuring plate (3-2) is fixed with sliding rail sliding slot；At the top of preceding chair leg lock main body (3-1) and described in the installation of chair leg connecting portion
Preceding washer (3-3)；
The back leg lock (4) includes back leg lock main body (4-1), rear fender (4-2) and rear washer (4-3)；The back leg
Lock main body (4-1) cross section and sliding rail section carry out matched design, the back leg lock main body (4-1) if lateral layout
Dry flange, to be stuck in sliding rail sliding slot；The upper surface of described back leg lock main body (4-1) installation rear fender (4-2), when described
When back leg lock main body (4-1) is placed in sliding rail sliding slot, the rear fender (4-2) is fixed with sliding rail sliding slot；The back leg lock master
The rear washer (4-3) is installed at the top of body (4-1) with chair leg connecting portion；In addition, the rear fender (4-2) design have it is downward
Rear fender flange, the rear fender flange are inserted into sliding rail mounting hole, limit seat front-rear direction freedom degree.
5. a kind of application method of the described in any item observer's seats of claim 1-4, which is characterized in that including following step
It is rapid:
Step 1, during seat board (5) is turned down automatically from horizontality as vertical state around seat board shaft, seat board (5) rear end
It is rotated clockwise around seat board shaft, direction of rotation description are as follows: seat board (5) rear end is rotated to back lower place direction；
Since seat board (5) is connect with the lower end of backrest connecting rod (8-1) by universal driving shaft (8-2), in seat board (5) rear end
When rotating to back lower place direction, the lower end of backrest connecting rod (8-1) is driven to rotate to back lower place direction by universal driving shaft (8-2),
Meanwhile making the slotted hole (8-4) on the top backrest connecting rod (8-1) along connecting rod guiding axis (8-3) slide downward, and connect backrest
The top extension bar (8-1) turns forward；Since backrest connecting rod (8-1) and backboard (7) form one, it drives backboard (7)
Bottom end moved to back lower place direction, drive the top of backboard (7) to turn forward, to make the positive entirety of backboard (7) and water
Planar inclination becomes smaller, and backboard (7) tends to move to vertical state；Thus the seat board (5) for making backboard (7) and folding up
Between gap amplification, the gap place safety belt；
Step 2, during seat board (5) rotates to horizontality from vertical state around seat board shaft, seat board (5) rear end is around seat
Plate shaft rotates counterclockwise, direction of rotation description are as follows: seat board (5) rear end forward upward direction rotates；
When seat board (5) rear end forward upward direction rotates, the lower end forward upward direction of backrest connecting rod (8-1) rotates, together
When, make the slotted hole (8-4) on the top backrest connecting rod (8-1) along connecting rod guiding axis (8-3) upward sliding, and connect backrest
The top bar (8-1) retreats；Since backrest connecting rod (8-1) and backboard (7) form one, the bottom end of backboard (7)
The movement of forward upward direction, the top of backboard (7) retreat, to make backboard (7) front is whole to become with horizontal plane inclination angle
Greatly, backboard (7) is to tilt backwards state, improves the comfort of passenger riding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910490514.2A CN110155341B (en) | 2019-06-06 | 2019-06-06 | Observer seat and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910490514.2A CN110155341B (en) | 2019-06-06 | 2019-06-06 | Observer seat and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110155341A true CN110155341A (en) | 2019-08-23 |
| CN110155341B CN110155341B (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910490514.2A Active CN110155341B (en) | 2019-06-06 | 2019-06-06 | Observer seat and using method thereof |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110664154A (en) * | 2019-10-14 | 2020-01-10 | 福建荣耀健身器材有限公司 | Leg telescoping mechanism of massage chair |
| CN110916415A (en) * | 2019-12-18 | 2020-03-27 | 上海应用技术大学 | Electric mechanism for changing seat into bed |
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| CN105338861A (en) * | 2013-06-18 | 2016-02-17 | Be航天公司 | Compact aircraft cabin attendant seat |
| CN106347673A (en) * | 2015-07-16 | 2017-01-25 | 古德里奇公司 | Frontal entry phone cord funnel |
| US10293944B2 (en) * | 2016-12-07 | 2019-05-21 | Rockwell Collins, Inc. | Components for enhancement of a low profile crew attendant seat |
| EP3489141A1 (en) * | 2017-11-28 | 2019-05-29 | AMI Industries, Inc. | Seat backrest |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0170116A1 (en) * | 1984-07-12 | 1986-02-05 | Robert A. Nordskog | Improved jump seat assembly |
| EP0349762A2 (en) * | 1988-07-04 | 1990-01-10 | Deutsche Airbus GmbH | Seat, in particular for a crewmember of an aircraft |
| CN103781659A (en) * | 2011-04-05 | 2014-05-07 | 祖迪雅克座椅法国公司 | Adjustable seat |
| CN105338861A (en) * | 2013-06-18 | 2016-02-17 | Be航天公司 | Compact aircraft cabin attendant seat |
| US9187179B1 (en) * | 2014-05-20 | 2015-11-17 | Goodrich Corporation | Seat pan closure mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110664154A (en) * | 2019-10-14 | 2020-01-10 | 福建荣耀健身器材有限公司 | Leg telescoping mechanism of massage chair |
| CN110916415A (en) * | 2019-12-18 | 2020-03-27 | 上海应用技术大学 | Electric mechanism for changing seat into bed |
| CN110916415B (en) * | 2019-12-18 | 2021-09-28 | 上海应用技术大学 | Electric mechanism for changing seat into bed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110155341B (en) | 2020-07-28 |
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