CN110450959B - Rest facility for crew members on civil aviation passenger plane and use method thereof - Google Patents

Abstract

The invention discloses a rest facility for crew members on a civil aviation passenger plane and a use method thereof, which are arranged on the existing plane seat and seat installation guide rail to provide a rest facility close to lying for the crew members, and solve the problem that the rest facility which is not specially provided for the crew members in the prior art is difficult to ensure the good rest quality of the crew members. The crew rest facility comprises a framework and a foam pad; the framework comprises a middle frame, a backrest, a tail frame, supporting cloth and supporting legs; the foam cushion is formed by assembling foam cushion blocks, and the use method comprises an installation method and a disassembly and storage method, so that the foam cushion can be smoothly, quickly and efficiently assembled, disassembled and stored. The invention has the advantages of adjustable backrest angle, telescopic tail and leg, safety, comfort, reliability, strong universality, easy storage and the like, and is suitable for any airplane economy class aviation seat with more than any three rows, large creep of the seat cushion and the like.

Description

Rest facility for crew members on civil aviation passenger plane and use method thereof

Technical Field

The invention relates to a rest facility for crew members on a civil aviation passenger plane and a use method thereof.

Background

According to the requirements of CCAR121-R5 in national aviation regulations, for an extended flight unit, a rest facility needs to be provided for a unit member, the rest quality of the unit member is guaranteed, and at present, relevant configuration is only carried out in a wide machine, and no application facility or no solution is provided in a narrow machine.

Therefore, the rest facility of the crew members on the civil aviation passenger plane and the use method thereof are designed, so that the requirements of the civil aviation regulations can be met, the difficult problem that the narrow-body aircraft cannot ensure the good rest quality of the crew members is overcome, and meanwhile, the rest facility has the characteristics of safety, comfort, reliability, strong universality, easiness in storage and the like, and the rest facility is a technical problem to be solved by the person skilled in the art.

Disclosure of Invention

The invention aims to solve the technical problems that: the utility model provides a crew rest facility on civil aviation passenger plane and application method thereof, installs on current aircraft seat and seat installation guide rail, provides the rest facility that is close to lying for the crew, solves the problem that the prior art narrow body machine does not have the rest facility that provides for the crew specially and is difficult to guarantee the good rest quality of crew.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

The utility model provides a crew rest facility on civil aviation passenger aircraft, includes the skeleton of installing on the seat face of civil aviation passenger aircraft seat and can dismantle the foam pad of connecting in order for crew to lie down the rest on the skeleton, one side of skeleton compresses tightly on the seat face of civil aviation passenger aircraft seat, and its opposite side links firmly with the seat installation guide rail on the floor of civil aviation passenger aircraft;

The framework comprises a middle frame, a backrest, a tail frame and a pair of supporting legs, wherein one side of the middle frame is tightly pressed on the seat surface of the seat of the civil aircraft, the backrest is hinged with the front end of the middle frame, the tail frame is sleeved in the rear end of the middle frame and can freely stretch and retract relative to the middle frame, the supporting cloths are detachably connected to the backrest, the middle frame and the tail frame and used for supporting the foam pad, the pair of supporting legs are arranged on the other side of the middle frame and used for being fixedly connected with seat mounting guide rails on the floor of the civil aircraft, and the mounting angle between the backrest and the middle frame is adjustable, and meanwhile, the backrest and the tail frame can be mutually folded;

the supporting cloth is fabric supporting cloth, the fabric supporting cloth is detachably fixed on the backrest, the middle frame and the tail frame through the fastening tape, the zipper or the rivet, the foam pad is formed by splicing more than two foam cushion blocks, and each foam cushion block is detachably connected with the supporting cloth through the fastening tape or the zipper respectively.

Further, the middle frame comprises a first hollow pipe, a second hollow pipe and two strip-shaped connecting plates, wherein the first hollow pipe and the second hollow pipe are of the same structure and are horizontally distributed and are parallel to each other, the two strip-shaped connecting plates are horizontally welded between the first hollow pipe and the second hollow pipe in parallel, the first hollow pipe, the second hollow pipe and the two connecting plates jointly form a frame beam structure which is horizontally distributed, the second hollow pipe is positioned at the inner side of the frame beam structure and is used for being pressed on a seat surface of a civil aircraft seat, and a pair of supporting legs are vertically and downwards arranged on the first hollow pipe at intervals; the backrest is hinged to the front ends of the first hollow tube and the second hollow tube, and the tail frame is sleeved in the rear ends of the first hollow tube and the second hollow tube and can freely stretch and retract synchronously relative to the first hollow tube and the second hollow tube.

Further, the tailstock is the hollow tube that is the U-shaped, the open end both sides end of tailstock overlaps respectively and inserts in the first hollow tube with in the rear end of second hollow tube, a rectangular shape and both ends confined slotted hole have been seted up respectively on the inboard inner wall of tailstock and the outside outer wall, the rear end outer wall of first hollow tube with be equipped with respectively on the rear end inner wall of second hollow tube all with correspond slotted hole cooperatees and is used for playing direction and spacing guide pin.

Further, a front chair leg mounting seat and a rear chair leg mounting seat are respectively and fixedly mounted at the front end and the rear end of the first hollow pipe, and a pair of supporting legs are respectively and rotatably mounted on the front chair leg mounting seat and the rear chair leg mounting seat;

the landing leg comprises an upper landing leg, an adjusting nut and a lower landing leg which is used for being fixedly connected with a seat installation guide rail on the floor of the civil aviation passenger aircraft, the top end of the upper landing leg is in a semicircular arc shape, the bottom end of the upper landing leg and the top end of the lower landing leg are both in threaded connection with the adjusting nut, and the adjusting nut is used for adjusting the overall length of the upper landing leg and the overall length of the lower landing leg when rotating;

The utility model discloses a frame beam structure, including front chair leg mount pad, back chair leg mount pad, upper support leg mount pad and back chair leg mount pad are last all to be equipped with to be used for the installation the last landing leg mount pad of upper support leg, be equipped with the landing leg pivot in the last landing leg mount pad, the top of going up the landing leg set up with landing leg pivot assorted shaft hole, upper support leg passes through its shaft hole rotation and installs correspondingly in the landing leg pivot, one side of going up landing leg mount pad is equipped with the rotation limiting plate, the rotation limiting plate be used for with the top inboard of upper support leg is inconsistent in order to restrict go up the landing leg is around the landing leg pivot the plane at frame beam structure makes 0~ 90 rotations.

Further, the screw hole has been seted up along its longitudinal centerline direction to this screw hole threaded connection has the bottom to match with seat installation guide rail on the civil aviation passenger aircraft floor and can install the lower margin support on seat installation guide rail on the civil aviation passenger aircraft floor, lower free motion is used for along on the lower margin support with the lower margin support's bottom cooperatees in order to with the bottom lock of lower margin support is fixed the locating piece on seat installation guide rail on the civil aviation passenger aircraft floor, lower margin support with be equipped with reset spring between the locating piece, threaded connection has the lock nut that is located in the locating piece top on the lower margin support, lock nut is used for driving the locating piece during the downstream and removes in order to with the bottom lock of lower margin support is fixed on seat installation guide rail on the civil aviation passenger aircraft floor.

Further, the backrest is U-shaped, at least two backrest connecting plates which are parallel to each other and are in a strip shape are welded in the backrest, a backrest rotating shaft is arranged between the inner end of the opening end of the backrest and the front end of the second hollow tube in a penetrating manner, the inner end of the opening end of the backrest is hinged with the front end of the second hollow tube through the backrest rotating shaft, a backrest adjusting device is arranged between the outer end of the opening end of the backrest and the front end of the first hollow tube, the outer end of the opening end of the backrest is hinged with the front end of the first hollow tube through the backrest adjusting device, and the installation angle of the backrest is adjusted, and a backrest safety belt anchor for installing a safety belt hook is arranged on the outer side of the sealing end of the backrest.

Further, the backrest adjusting device comprises a backrest rotating shaft and backrest fixing plates fixed in the outer side ends of the open ends of the backrest through fixing pins, the backrest rotating shaft is simultaneously arranged on the outer side ends of the open ends of the backrest in a penetrating mode, the backrest fixing plates and the front chair leg mounting seats, the outer side ends of the open ends of the backrest are rotatably arranged on the front chair leg mounting seats through the backrest rotating shaft, bolt holes are formed in the outer ends of the backrest fixing plates, bolts are movably arranged in the bolt holes in a penetrating mode, a plurality of positioning holes matched with the bolts are formed in the outer side surfaces of the front chair leg mounting seats in an equidistant mode, all the positioning holes are distributed in an arc mode, the inner ends of the bolts are inserted into the positioning holes to position the backrest, compression springs are sleeved on the bolts and are located between the backrest fixing plates and the front chair leg mounting seats, two ends of each compression spring are respectively propped against the backrest fixing plates and the front chair leg mounting seats, and the outer ends of the bolts are provided with pull strips.

Further, the first hollow tube is provided with a handrail device, the handrail device is located between the front chair leg mounting seat and the rear chair leg mounting seat, the handrail device comprises a handrail in an inverted U shape, a pair of handrail mounting seats fixedly mounted at intervals on the first hollow tube and used for respectively mounting two side ends of an opening end of the handrail, and a pair of handrail rotating shafts, two side ends of the opening end of the handrail are respectively hinged with the handrail mounting seats through one handrail rotating shaft, the outer side of the handrail mounting seat is provided with a handrail rotating limiting plate used for limiting outward rotation of the handrail, the handrail can rotate inwards around the handrail rotating shaft, the rotating angle range of the handrail is 0-90 degrees, and the outer end of the handrail rotating shaft is provided with a groove used for mounting a safety belt hook.

Further, a foot rest device is arranged on the top surface of the sealing end of the tail frame and comprises a foot rest installation seat, a foot rest and a rotating shaft, the foot rest installation seat is fixedly installed on the central top surface of the sealing end of the tail frame, the foot rest is rotatably installed on the foot rest installation seat through the rotating shaft, a foot rest rotation limiting plate used for limiting the foot rest to rotate outwards is arranged on the foot rest installation seat, the foot rest can rotate inwards around the rotating shaft, and the rotation angle range of the foot rest is 0-90 degrees.

The application method of the crew rest facility on the civil aviation passenger aircraft comprises an installation method and a disassembly and storage method;

the installation method comprises the following steps:

step 1, taking out the accommodated frameworks and foam pads from a passenger cabin luggage rack of a civil aviation passenger plane;

step 2, the supporting legs are outwards rotated for 90 degrees to be vertical to the middle frame;

Step 3, placing a rest facility of a crew member on a seat surface on a economy class seat to be installed, wherein the support legs are arranged on the front side of the seat surface;

step 4, loading the supporting legs into the seat mounting guide rail and moving the supporting legs to a proper position towards the inner side of the seat along the direction of the seat mounting guide rail;

step 5, rotating the lock nut downwards to fix the positioning block on the seat installation guide rail;

step 6, unfolding the foot rest to be vertical to the cloth supporting plane;

step 7, pulling the pull belt outwards to enable the bolt to be separated from the positioning hole and keep a separated state, rotating outwards to expand the backrest to a proper position, and loosening the pull belt to enable the bolt to be inserted into the corresponding positioning hole;

step 8, unfolding the armrests to be vertical to the cloth supporting plane;

step 9, the tail frame is pulled out to a proper position, and the supporting cloth is connected with the connecting part of the tail frame;

step 10, expanding a foam pad and installing the foam pad on a framework;

Step 11, rotating the adjusting nut to shrink the supporting leg, and compressing the seat cushion surface of the aircraft seat downwards through the framework until the facility is stable and does not shake;

Step 12, taking down the hanging hook of the outermost safety belt of the seat close to one side of the backrest and fixing the hanging hook on the safety belt anchor of the backrest;

step 13, taking down a hook of a safety belt of the middle seat, which is close to one side of the backrest, and fixing the safety belt on a groove of a handrail rotating shaft of the handrail rotating shaft, so that the installation is completed;

the disassembly and storage method comprises the following steps:

Step a, rotating an adjusting nut to extend the supporting leg, so that the middle frame is separated from contact with the seat cushion surface of the airplane seat;

Step b, taking down the foam pads from the facilities, folding the foam pads two by two, folding the plate-shaped foam pads into block-shaped foam blocks, and directly storing the block-shaped foam blocks in a luggage rack of a passenger cabin;

step c, connecting and separating the supporting cloth and the tail frame, folding the tail frame to the middle frame position, loosening the guide pin, and pushing the tail frame to the middle frame direction to enable the tail frame to retract into the middle frame;

step d, inwards folding the armrests to be parallel to the cloth supporting plane;

Step e, pulling the pull belt outwards to enable the bolt to be separated from the positioning hole and keep a separated state, manually rotating the backrest towards the middle frame to enable the backrest to be attached to the middle frame, and loosening the pull belt;

F, folding the foot rest inwards to be parallel to the cloth supporting plane;

Step g, rotating the lock nut upwards to enable the positioning block to be separated from the seat installation guide rail;

step h, lifting the rest facilities of the crew members to separate the supporting legs from the seat mounting guide rails;

step i, rotating the supporting leg by 90 degrees towards the direction of the cloth supporting surface;

And k, storing the disassembled and folded framework in a cabin luggage rack, namely finishing disassembly and storage.

Compared with the prior art, the invention has the following beneficial effects:

the invention has simple structure, scientific and reasonable design and convenient use, is arranged on the existing aircraft economy class aviation seat, and provides a rest facility close to lying for crewmembers. The seat has the advantages of adjustable backrest angle, telescopic tail and leg, and suitability for airplane economy class aviation seats with any model, more than any triple row, large creep of the seat cushion and the like; the inner side of the facility is pressed on the seat surface of the seat, and the outer side of the facility is fixedly connected with the seat mounting guide rail, so that the facility has the characteristics of safety, comfort, reliability, strong universality, easy storage and the like.

Drawings

Figure 1 is a schematic view of the rest facility of the crew member of the present invention.

Figure 2 is a schematic illustration of the crew rest facility of the present invention mounted on an aircraft seat.

Figure 3 is a schematic diagram of the framework structure of the rest facility of the crew member of the present invention.

Fig. 4 is a schematic view of the tail stock structure of the rest facility of the crew member of the present invention.

Figure 5 is a schematic illustration of a crew rest facility stay of the present invention mounted to a framework.

Figure 6 is a schematic view of the upper leg mounting cavity of the front or rear leg mount of the crew rest facility of the present invention.

Figure 7 is a schematic view of the lower leg infrastructure of the crew rest facility of the present invention.

Fig. 8 is a schematic structural view of a backrest adjusting means of a crew rest facility according to the present invention.

Fig. 9 is a schematic view of the rest armrest apparatus of the crew rest facility according to the present invention.

Fig. 10 is an enlarged view of the crew rest facility armrest mount of the present invention.

Figure 11 is a schematic view of the structure of the rest device of the crew rest facility of the present invention.

Figure 12 is a schematic folding view of a foam pad of a crew rest facility according to the invention.

Fig. 13 is a schematic view of the crew rest facility frame of the present invention after removal and storage.

Wherein, the names corresponding to the reference numerals are:

100-frame, 101-backrest, 103-tailstock, 104-stay, 105-backrest pivot, 106-guide pin, 107-leg pivot, 108-backrest connecting plate, 109-slotted hole, 113-backrest seat belt anchor, 120-center frame, 121-first hollow tube, 122-connecting plate, 123-front leg mount, 124-rear leg mount, 125-second hollow tube, 126-locating hole, 130-leg, 131-upper leg, 132-adjustment nut, 133-lower leg, 134-lock nut, 135-foot support, 136-locating block, 137-return spring, 138-upper leg mounting cavity, 139-rotation limiting plate, 140-backrest adjustment device, 141-backrest fixation plate, 142-latch, 143-strap, 144-compression spring, 145-fixation pin, 150-armrest device, 151-armrest mount, 152-armrest pivot, 153-armrest, 154-rotation limiting plate, 155-channel, 160-foot rest device, 161-foot rest mount, 162-foot rest, 163-cushion, 301-seat rail seat, 301-seat rail, 300-seat pivot.

Detailed Description

The invention will be further illustrated by the following description and examples, which include but are not limited to the following examples.

As shown in fig. 1 to 13, the rest facility for crew members on a civil aircraft provided by the invention comprises a framework 100 installed on a seat surface of a seat 300 of the civil aircraft and a foam pad 200 detachably connected to the framework 100 for the crew members to lie down and rest, wherein one side of the framework 100 is tightly pressed on the seat surface of the seat 300 of the civil aircraft, and the other side of the framework is fixedly connected with a seat installation guide rail 301 on the floor of the civil aircraft. The framework 100 comprises a middle frame 120 with one side pressed on the seat surface of the civil aircraft seat 300, a backrest 101 hinged with the front end of the middle frame 120, a tail frame 103 sleeved in the rear end of the middle frame 120 and capable of freely telescoping relative to the middle frame 120, a supporting cloth 104 detachably connected to the backrest 101, the middle frame 120 and the tail frame 103 and used for supporting the foam pad 200, and a pair of supporting legs 130 mounted on the other side of the middle frame 120 and used for being fixedly connected with a seat mounting guide rail 301 on the floor of the civil aircraft, wherein the mounting angle between the backrest 101 and the middle frame 120 is adjustable, and meanwhile, the backrest and the tail frame 103 can be mutually folded. The supporting cloth 104 is a fabric supporting cloth, and is detachably fixed on the backrest 101, the middle frame 120 and the tail frame 103 through a fastening tape, a zipper or rivets, the foam pad 200 is formed by more than two foam cushion blocks in an assembling mode, and each foam cushion block is respectively and detachably connected with the supporting cloth 104 through the fastening tape or the zipper.

The central frame 120 of the present invention includes a first hollow tube 121 and a second hollow tube 125 which are identical in structure and are horizontally distributed and are parallel to each other, and two strip-shaped connection plates 122, wherein the two connection plates 122 are horizontally welded between the first hollow tube 121 and the second hollow tube 125 in parallel, the first hollow tube 121, the second hollow tube 125 and the two connection plates 122 together form a frame beam structure which is horizontally distributed, the second hollow tube 125 is located at the inner side of the frame beam structure and is used for being pressed on the seat surface of the civil aviation passenger aircraft seat, and a pair of support legs 130 are vertically and downwardly installed on the first hollow tube 121 at intervals; the backrest 101 is hinged to the front ends of the first hollow tube 121 and the second hollow tube 125, and the tailstock 103 is sleeved in the rear ends of the first hollow tube 121 and the second hollow tube 125 and can freely stretch and retract synchronously relative to the first hollow tube 121 and the second hollow tube 125.

According to the invention, the tail frame 103 is a hollow tube in a U shape, two side ends of an opening end of the tail frame 103 are respectively inserted into rear ends of the first hollow tube 121 and the second hollow tube 125 in a sleeved mode, a long round hole 109 in a strip shape and with two closed ends is respectively formed in an inner side inner wall and an outer side outer wall of the tail frame 103, and guide pins 106 which are matched with the corresponding long round holes 109 and used for guiding and limiting are respectively arranged on the rear end outer wall of the first hollow tube 121 and the rear end inner wall of the second hollow tube 125.

In the present invention, the front end and the rear end of the first hollow tube 121 are respectively and fixedly provided with a front leg mounting seat 123 and a rear leg mounting seat 124, and a pair of legs 130 are respectively and rotatably mounted on the front leg mounting seat 123 and the rear leg mounting seat 124. The landing leg 130 comprises an upper landing leg 131, an adjusting nut 132 and a lower landing leg 133 which is fixedly connected with a seat mounting guide rail 301 on the floor of the civil aviation passenger aircraft, the top end of the upper landing leg 131 is semi-circular arc-shaped, the bottom end of the upper landing leg 131 and the top end of the lower landing leg 133 are both in threaded connection with the adjusting nut 132, and the adjusting nut 132 is used for adjusting the overall length of the upper landing leg 131 and the lower landing leg 133 during rotation. The front chair leg mounting seat 123 and the rear chair leg mounting seat 124 are respectively provided with an upper support leg mounting cavity 138 for mounting the upper support leg 131, a support leg rotating shaft 107 is arranged in the upper support leg mounting cavity 138, a shaft hole matched with the support leg rotating shaft 107 is formed in the top end of the upper support leg 131, the upper support leg 131 is rotatably mounted on the corresponding support leg rotating shaft 107 through the shaft hole, one side of the upper support leg mounting cavity 138 is provided with a rotation limiting plate 139, and the rotation limiting plate 139 is used for abutting against the inner side of the top of the upper support leg 131 to limit the upper support leg 131 to rotate by 0-90 degrees around the support leg rotating shaft 107 to a plane where the frame beam structure is located.

The bottom end of the lower supporting leg 133 is provided with a threaded hole along the longitudinal center line direction, the threaded hole is internally and in threaded connection with a foot support 135, the bottom end of the foot support 135 is matched with a seat installation guide rail on the civil aircraft floor and can be installed on the seat installation guide rail on the civil aircraft floor, the foot support 135 is sleeved with a positioning block 136 which can freely move up and down along the foot support 135 and is used for being matched with the bottom end of the foot support 135 so as to lock and fix the bottom end of the foot support 135 on the seat installation guide rail on the civil aircraft floor, a reset spring 137 is arranged between the foot support 135 and the positioning block 136, a locking nut 134 positioned above the positioning block 136 is in threaded connection with the foot support 135, and the locking nut 134 is used for driving the positioning block 136 to move downwards when moving downwards so as to lock and fix the bottom end of the foot support 135 on the seat installation guide rail on the civil aircraft floor.

The backrest 101 is in a U shape, at least two backrest connecting plates 108 which are parallel to each other and are in a strip shape are welded in the backrest 101, a backrest rotating shaft 105 is arranged between the inner side end of the opening end of the backrest 101 and the front end of the second hollow tube 125 in a penetrating manner, the inner side end of the opening end of the backrest 101 is hinged with the front end of the second hollow tube 125 through the backrest rotating shaft 105, a backrest adjusting device 140 is arranged between the outer side end of the opening end of the backrest 101 and the front end of the first hollow tube 121, the outer side end of the opening end of the backrest 101 is hinged with the front end of the first hollow tube 121 through the backrest adjusting device 140 and is adjusted in installation angle, and a backrest safety belt anchor 113 for installing a safety belt hook is arranged on the outer side of the sealing end of the backrest 101.

The backrest adjusting device 140 comprises a backrest rotating shaft 105 and a backrest fixing plate 141 fixed in the outer side end of the opening end of the backrest 101 through a fixing pin 145, wherein the backrest rotating shaft 105 is simultaneously penetrated through the outer side end of the opening end of the backrest 101, the backrest fixing plate 141 and the front chair leg mounting seat 123, the outer side end of the opening end of the backrest 101 is rotatably mounted on the front chair leg mounting seat 123 through the backrest rotating shaft 105, the outer end of the backrest fixing plate 141 is provided with a bolt hole, bolts 142 are movably penetrated in the bolt hole, a plurality of positioning holes 126 matched with the bolts 142 are equidistantly formed in the outer side surface of the front chair leg mounting seat 123, all the positioning holes 126 are distributed in an arc shape, the inner ends of the bolts 142 are inserted into the positioning holes 126 to position the backrest 101, compression springs 144 are sleeved on the bolts 142, the compression springs 144 are positioned between the backrest fixing plate 141 and the front chair leg mounting seat 123, the compression springs 144 are respectively provided with the outer side ends of the backrest fixing plate 141 and the front chair leg mounting seat 123, and the outer side surfaces of the compression springs 144 are respectively provided with pull-out ends of the bolts 142.

According to the invention, the first hollow tube 121 is provided with the armrest device 150, the armrest device 150 is positioned between the front chair leg mounting seat 123 and the rear chair leg mounting seat 124, the armrest device 150 comprises an inverted U-shaped armrest 153, a pair of armrest mounting seats 151 fixedly arranged on the first hollow tube 121 at intervals and used for respectively mounting two side ends of the opening end of the armrest 153, and a pair of armrest rotating shafts 152, the two side ends of the opening end of the armrest 153 are respectively hinged with the armrest mounting seat 151 through one armrest rotating shaft 152, an armrest rotation limiting plate 154 used for limiting the armrest 153 to rotate outwards is arranged on the outer side of the armrest mounting seat 151, the armrest 153 can rotate inwards around the armrest rotating shaft 152, the rotation angle range of the armrest rotating shaft 152 is 0-90 degrees, and a groove 155 used for mounting a safety belt hook is arranged at the outer end of the armrest rotating shaft 152.

The top surface of the sealing end of the tail frame 103 is provided with a foot rest device 160, the foot rest device 160 comprises a foot rest mounting seat 161, a foot rest 162 and a rotating shaft 163, the foot rest mounting seat 161 is fixedly arranged on the top surface of the central sealing end of the tail frame 103, the foot rest 162 is rotatably arranged on the foot rest mounting seat 161 through the rotating shaft 163, the foot rest mounting seat 161 is provided with a foot rest rotation limiting plate for limiting the outward rotation of the foot rest 162, and the foot rest 162 can rotate inwards around the rotating shaft 163, and the rotating angle range of the foot rest 162 is 0-90 degrees.

The invention has simple structure, scientific and reasonable design and convenient use, is arranged on the existing aircraft economy class aviation seat, and provides a rest facility close to lying for crewmembers. The seat has the advantages of adjustable backrest angle, telescopic tail and leg, and suitability for airplane economy class aviation seats with any model, more than any triple row, large creep of the seat cushion and the like; the inner side of the facility is pressed on the seat surface of the seat, and the outer side of the facility is fixedly connected with the seat mounting guide rail, so that the facility has the characteristics of safety, comfort, reliability, strong universality, easy storage and the like.

The rest facility for the crew members of the invention consists of a framework 100 and a foam pad 200, wherein the foam pad 200 is arranged on the framework 100, and the two are connected through a detachable connecting structure such as a sticking buckle belt or a zipper, etc., as shown in figure 1. The framework 100 mainly comprises a backrest 101, a middle frame 120, a tail frame 103, a supporting cloth 104, supporting legs 130 and a backrest adjusting device 140, as shown in fig. 3.

The central frame 120 of the crew rest facility of the present invention is formed by combining a first hollow tube 121, a second hollow tube 125 and a connection plate 122, forming a fixed frame beam structure. The backrest 101 is hinged to the middle frame 120 through the backrest adjusting means 140 and the front leg mount 123 fixed to the first hollow tube 121, and the mounting angle with respect to the middle frame 120 is set through the backrest adjusting means 140. The tail frame 103 has a U-shaped structure, and is inserted into the first hollow tube 121 and the second hollow tube 125 of the 2 hollow tubes of the middle frame 120, and two sides of the tail frame are provided with oblong holes 109 with two closed ends, as shown in fig. 4, and the tail frame 103 is guided and limited by a guide pin 106 fixed on the middle frame 120, so as to realize the expansion and contraction of the tail frame 103 relative to the middle frame 120.

The support cloth 104 of the rest facility for the crew members is fabric support cloth and is arranged around the frame body formed by the backrest 101, the middle frame 120 and the tail frame 103 in a fastening tape, a zipper, riveting or other fixing modes, wherein the connection position with the tail frame 103 adopts a detachable mode, for example, the connection position is overlapped by adopting the fastening tape, as shown in fig. 5, the interior of the frame body area can be covered, and the support structure can be used for achieving a good supporting effect.

The number of the supporting legs 130 of the set member rest facility is 2, the supporting legs 130 are fixedly arranged on the first hollow tube 121 of the middle frame 120 through the supporting leg rotating shafts 107, the left chair leg mounting seats 123 and the right chair leg mounting seats 124 respectively, and are distributed perpendicular to the supporting plane of the supporting cloth 104 as shown in fig. 6, and can rotate by 0-90 degrees around the supporting leg rotating shafts 107 to the direction of the supporting plane, so that folding and storage of the chair legs are realized, and the set member rest facility can not rotate outside by reversely limiting the top and bottom of the rotating limiting plates, so that the safety of the set member rest facility is ensured in the use process. The supporting leg 130 is composed of an upper supporting leg 131, an adjusting nut 132, a lower supporting leg 133, a locking nut 134, a foot support 135, a positioning block 136 and a return spring 137, wherein the upper supporting leg 131 and the lower supporting leg 133 are connected through positive and negative threads of the adjusting nut 132, and when the adjusting nut 132 is rotated, the upper supporting leg 131 and the lower supporting leg 133 simultaneously shrink inwards or extend outwards relative to the adjusting nut, so that the telescopic function of the chair leg is realized; the ground leg support 135 and the positioning block 136 are part structures connected with the seat installation guide rail, the ground leg support 135 is fixedly connected with the lower support 133 through threads, a lock nut 134 is arranged on the upper portion of the positioning block 136 and is installed on the ground leg support 135 through threaded fit, a reset spring 137 is arranged between the positioning block 136 and the ground leg support 135, the positioning block 136 is sleeved on the ground leg support 135 and can move up and down freely along the ground leg support 135, and the ground leg support 135 is installed on the aircraft seat installation guide rail and is locked and fixed through the positioning block 136. By rotating the lock nut 134 downward, the compression return spring 137 drives the positioning block 136 to move downward until the positioning block is locked on the aircraft seat mounting rail, otherwise, the reverse rotation lock nut 134 moves upward, the return spring 137 pushes the positioning block 136 to move upward under the action of the return force, and the positioning block withdraws from the aircraft seat mounting rail, so that the quick mounting and dismounting between the rest facility of the crew member and the aircraft seat mounting rail is realized, as shown in fig. 7.

The backrest adjusting means 140 of the crew rest facility of the present invention is mainly composed of a backrest fixing plate 141, a latch 142, a pull strap 143, a compression spring 144, a fixing pin 145, a left leg mounting base 123 and a backrest rotation shaft 105, as shown in fig. 8. The fixing pin 145 is used to fix the backrest fixing plate 141 to the backrest 101. The backrest rotation shaft 105 passes through the outer side end of the opening end of the backrest 101, the backrest fixing plate 141 and the left chair leg mounting seat 123 simultaneously, the hinging between the backrest 101 and the left chair leg mounting seat 123 is realized, the pull belt 143 is fixed on the bolt 142, the pull belt is installed in a bolt hole of the backrest fixing plate 141 and can axially move along the bolt hole, a compression spring 144 is arranged between the bolt 142 and the backrest fixing plate 141, a plurality of circumferentially and uniformly distributed positioning holes 126 which are matched with the bolt 142 are arranged on the left chair leg mounting seat 123, and when the backrest rotates, the inner end of the bolt 142 is inserted into the positioning holes 126 to realize the adjustment of the backrest angle.

The foam pad 200 of the crew rest facility of the present invention is a detachable component that is secured to the stay 104 by a hook and loop fastener, as shown in fig. 1. The first hollow tube 121 of the middle frame 120 is provided with a handrail device 150, and the handrail device 150 mainly comprises a handrail mounting seat 151, a handrail rotating shaft 152 and a handrail 153, as shown in fig. 9. The handrail mount pad 151 has 2, preferably staple bolt structures, and the fastener such as through the bolt holds tightly on first hollow tube 121, and handrail 153 articulates through 2 handrail pivot 152 and handrail mount pad 151, and rotation angle is 0~ 90 within range with propping cloth holding surface, and 0 realizes folding the accomodating of handrail, and it is spacing at the bottom of the limiting plate top to rotate through the handrail when reversing 90, guarantees that the handrail device can not turn over outward. The crew rest facility of the present invention is provided with a groove 155 at one end of the arm shaft 152 for mounting a seat belt hook of an aircraft seat middle seat. The support cloth can also be a sheet metal part with similar functions and structures, and can also only cover the backrest and the middle frame area according to the requirement.

The back rest 101 of the crew rest facility of the present invention is further secured with a back seat belt anchor 113 at a location outboard of its sealed end for mounting a seat belt hanger, as shown in fig. 3. On the central top surface of the sealing end of the tailstock 103, a footrest 160 is mounted, and the footrest 160 mainly includes a footrest mounting seat 161, a footrest 162, and a rotation shaft 163, as shown in fig. 11. The mounting seat 161 is fixed on the central top surface of the sealing end of the tail frame 103 through a bolt fastener, the foot rest 162 is hinged with the foot rest mounting seat 161 through a rotating shaft 163, the rotating angle is in a range of 0-90 degrees with the cloth supporting surface, the folding and storage of the foot rest device 160 are realized by 0 degrees, the top and bottom of the foot rest rotating limiting plate is limited when the rotating angle is 90 degrees reversely, so that the foot rest device cannot rotate outwards, and the foot rest function of the foot rest device is ensured. The foam pad may be formed by butt-jointing a plurality of pieces of foam, as shown in fig. 12, and may be stored in two pairs of folds.

The invention provides a use method of a rest facility of a crew member on a civil aviation passenger plane, which comprises an installation method and a disassembly and storage method.

The installation method comprises the following steps:

step 1, taking out the accommodated frameworks and foam pads from a passenger cabin luggage rack of a civil aviation passenger plane;

step 2, the supporting legs are outwards rotated for 90 degrees to be vertical to the middle frame;

Step 3, placing a crew rest facility on a seat surface on a economy class seat to be installed, wherein the support legs are arranged on the front side of the seat surface, as shown in fig. 2;

step 4, loading the supporting legs into the seat mounting guide rail and moving the supporting legs to a proper position towards the inner side of the seat along the direction of the seat mounting guide rail;

step 5, rotating the lock nut downwards to fix the positioning block on the seat installation guide rail;

step 6, unfolding the foot rest to be vertical to the cloth supporting plane;

step 7, pulling the pull belt outwards to enable the bolt to be separated from the positioning hole and keep a separated state, rotating outwards to expand the backrest to a proper position, and loosening the pull belt to enable the bolt to be inserted into the corresponding positioning hole;

step 8, unfolding the armrests to be vertical to the cloth supporting plane;

step 9, the tail frame is pulled out to a proper position, and the supporting cloth is connected with the connecting part of the tail frame;

step 10, expanding a foam pad and installing the foam pad on a framework;

Step 11, rotating the adjusting nut to shrink the supporting leg, and compressing the seat cushion surface of the aircraft seat downwards through the framework until the facility is stable and does not shake;

Step 12, taking down the hanging hook of the outermost safety belt of the seat close to one side of the backrest and fixing the hanging hook on the safety belt anchor of the backrest;

and 13, taking down a hook on one side of the safety belt of the middle seat close to the backrest, and fixing the safety belt on a groove of the armrest rotating shaft, thereby finishing the installation.

The disassembly and storage method comprises the following steps:

Step a, rotating an adjusting nut to extend the supporting leg, so that the middle frame is separated from contact with the seat cushion surface of the airplane seat;

Step b, taking down the foam pads from the facilities, folding the foam pads two by two, folding the plate-shaped foam pads into block-shaped foam blocks, and directly storing the block-shaped foam blocks in a luggage rack of a passenger cabin;

step c, connecting and separating the supporting cloth and the tail frame, folding the tail frame to the middle frame position, loosening the guide pin, and pushing the tail frame to the middle frame direction to enable the tail frame to retract into the middle frame;

step d, inwards folding the armrests to be parallel to the cloth supporting plane;

Step e, pulling the pull belt outwards to enable the bolt to be separated from the positioning hole and keep a separated state, manually rotating the backrest towards the middle frame to enable the backrest to be attached to the middle frame, and loosening the pull belt;

F, folding the foot rest inwards to be parallel to the cloth supporting plane;

Step g, rotating the lock nut upwards to enable the positioning block to be separated from the seat installation guide rail;

step h, lifting the rest facilities of the crew members to separate the supporting legs from the seat mounting guide rails;

step i, rotating the supporting leg by 90 degrees towards the direction of the cloth supporting surface;

and step k, storing the disassembled and folded framework in a cabin luggage rack, namely, completing disassembly and storage, wherein the framework is shown in fig. 13 after the disassembly and storage of the framework are completed.

The backrest in the rest facility of the crew member of the invention can be arranged on one side of an aircraft cabin or one side of a passageway; all the rotating and moving pairs in the rest facilities of the crew members provide damping force or other common damping-increasing structures through damping gaskets or damping blocks, and free displacement of all the moving parts under the working condition of jolt or vibration of the aircraft is avoided.

The invention has wonderful conception, can effectively provide a rest facility with good rest quality for members of a crew on a civil aviation passenger plane, is particularly suitable for a narrow body machine, can enable the narrow body machine to meet the requirement of providing the rest facility for the members of the crew, has the characteristics of safety, comfort, reliability, strong universality, easy storage and the like, has strong practicability, and is suitable for being widely popularized and applied in the technical field.

The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the scope of the present invention, but all the insubstantial modifications or color changes made in the main design concept and spirit of the present invention are still consistent with the present invention, and all the technical problems to be solved are included in the scope of the present invention.

Claims (7)

1. The utility model provides a crew rest facility on civil aviation passenger plane, which is characterized by comprising a framework (100) arranged on the seat surface of the seat of the civil aviation passenger plane and a foam pad (200) detachably connected to the framework (100) for the crew to lie down and rest, wherein one side of the framework (100) is tightly pressed on the seat surface of the seat of the civil aviation passenger plane, and the other side of the framework is fixedly connected with a seat installation guide rail on the floor of the civil aviation passenger plane;

The framework (100) comprises a middle frame (120) with one side pressed on the seat surface of the seat of the civil aircraft, a backrest (101) hinged with the front end of the middle frame (120), a tail frame (103) sleeved in the rear end of the middle frame (120) and capable of freely stretching relative to the middle frame (120), supporting cloth (104) detachably connected to the backrest (101), the middle frame (120) and the tail frame (103) and used for supporting the foam pad (200), and a pair of supporting legs (130) mounted on the other side of the middle frame (120) and used for being fixedly connected with a seat mounting guide rail on the floor of the civil aircraft, wherein the mounting angle between the backrest (101) and the middle frame (120) is adjustable, and meanwhile, the two supporting cloth can be mutually folded;

The supporting cloth (104) is a fabric supporting cloth, and is detachably fixed on the backrest (101), the middle frame (120) and the tail frame (103) through a fastening tape, a zipper or rivets, the foam pad (200) is formed by splicing more than two foam cushion blocks, and each foam cushion block is detachably connected with the supporting cloth (104) through the fastening tape or the zipper respectively;

The middle frame (120) comprises a first hollow pipe (121) and a second hollow pipe (125) which are identical in structure and are horizontally distributed and are parallel to each other, and two strip-shaped connecting plates (122), wherein the two connecting plates (122) are horizontally welded between the first hollow pipe (121) and the second hollow pipe (125) in parallel, the first hollow pipe (121), the second hollow pipe (125) and the two connecting plates (122) form a frame beam structure which is horizontally distributed together, the second hollow pipe (125) is positioned on the inner side of the frame beam structure and is used for being pressed on a seat surface of a civil aircraft seat, and a pair of supporting legs (130) are vertically and downwards installed on the first hollow pipe (121) at intervals; the backrest (101) is hinged to the front ends of the first hollow pipe (121) and the second hollow pipe (125), and the tail frame (103) is sleeved in the rear ends of the first hollow pipe (121) and the second hollow pipe (125) and can freely stretch and retract synchronously relative to the first hollow pipe (121) and the second hollow pipe (125);

the tail frame (103) is a U-shaped hollow tube, two side ends of an opening end of the tail frame (103) are respectively sleeved and inserted into the rear ends of the first hollow tube (121) and the second hollow tube (125), a strip-shaped long round hole (109) with two closed ends is respectively formed in the inner side inner wall and the outer side outer wall of the tail frame (103), and guide pins (106) which are matched with the corresponding long round holes (109) and used for guiding and limiting are respectively formed in the rear end outer wall of the first hollow tube (121) and the rear end inner wall of the second hollow tube (125);

Front and rear ends of the first hollow tube (121) are respectively and fixedly provided with a front chair leg mounting seat (123) and a rear chair leg mounting seat (124), and a pair of support legs (130) are respectively and rotatably mounted on the front chair leg mounting seat (123) and the rear chair leg mounting seat (124);

The landing leg (130) comprises an upper landing leg (131), an adjusting nut (132) and a lower landing leg (133) which is fixedly connected with a seat mounting guide rail on the floor of the civil aviation passenger aircraft, the top end of the upper landing leg (131) is in a semicircular arc shape, the bottom end of the upper landing leg (131) and the top end of the lower landing leg (133) are both in threaded connection in the adjusting nut (132), and the adjusting nut (132) is used for adjusting the overall length of the upper landing leg (131) and the overall length of the lower landing leg (133) when rotating;

The utility model discloses a seat frame structure, including front chair leg mount pad (123) and back chair leg mount pad (124), be equipped with on front chair leg mount pad (123) and back chair leg mount pad (124) all be equipped with on being used for the installation go up landing leg (131) go up landing leg mount pad (138), be equipped with landing leg pivot (107) in going up landing leg mount pad (138), go up the top of landing leg (131) seted up with landing leg pivot (107) assorted shaft hole, go up landing leg (131) through its shaft hole rotation install in correspondingly on landing leg pivot (107), one side of going up landing leg mount pad (138) is equipped with rotation limiting plate (139), rotation limiting plate (139) be used for with the top inboard of going up landing leg (131) is inconsistent in order to restrict go up landing leg (131) wind landing leg pivot (107) to the plane that the frame beam structure is located makes 0 ~ 90 rotations.

2. Crew rest facility on civil aircraft according to claim 1, characterized in that the bottom end of the lower leg (133) is provided with a threaded hole along the longitudinal center line direction thereof, and the threaded hole is connected with a bottom end in a threaded manner with a foot support (135) which is matched with the seat mounting guide rail on the civil aircraft floor and can be mounted on the seat mounting guide rail on the civil aircraft floor, the foot support (135) is sleeved with a positioning block (136) which can freely move up and down along the foot support (135) and is used for being matched with the bottom end of the foot support (135) so as to lock and fix the bottom end of the foot support (135) on the seat mounting guide rail on the civil aircraft floor, a reset spring (137) is arranged between the foot support (135) and the positioning block (136), the foot support (135) is connected with a locking nut (134) which is positioned above the positioning block (136) in a threaded manner, and the locking nut (134) is used for driving the positioning block (136) to move downwards so as to fix the bottom end of the foot support (135) on the seat mounting guide rail on the civil aircraft floor.

3. The rest facility for crew members on a civil aircraft according to claim 1, wherein the backrest (101) is U-shaped, at least two backrest connecting plates (108) which are parallel to each other and are in a bar shape are welded in the backrest (101), a backrest rotating shaft (105) is arranged between the inner end of the opening end of the backrest (101) and the front end of the second hollow tube (125) in a penetrating manner, the inner end of the opening end of the backrest (101) is hinged with the front end of the second hollow tube (125) through the backrest rotating shaft (105), a backrest adjusting device (140) is arranged between the outer end of the opening end of the backrest (101) and the front end of the first hollow tube (121), the outer end of the opening end of the backrest (101) is hinged with the front end of the first hollow tube (121) through the backrest adjusting device (140) and is adjusted in a mounting angle, and a backrest (113) for mounting a seat belt hook is arranged on the outer side of the sealing end of the backrest (101).

4. A crew rest facility on a civil aircraft according to claim 3, wherein the backrest adjusting means (140) comprises a backrest rotation shaft (105) and a backrest fixing plate (141) fixed in the outer side end of the open end of the backrest (101) by a fixing pin (145), the backrest rotation shaft (105) is simultaneously arranged on the outer side end of the open end of the backrest (101), the backrest fixing plate (141) and the front chair leg mounting seat (123) in a penetrating way, the outer side end of the open end of the backrest (101) is rotatably arranged on the front chair leg mounting seat (123) by the backrest rotation shaft (105), the outer end of the backrest fixing plate (141) is provided with a bolt hole, a plurality of positioning holes (126) matched with the bolt (142) are arranged on the outer side surface of the front chair leg mounting seat (123) at equal intervals, the inner side end (142) is inserted into the positioning holes (142) and is arranged on the compression sleeve (144) of the backrest (101) between the compression sleeve (142) and the compression sleeve (142), the two ends of the compression spring (144) are respectively propped against the backrest fixing plate (141) and the front chair leg mounting seat (123), and the outer end of the bolt (142) is provided with a pull belt (143).

5. A crew rest facility on a civil aircraft according to claim 1, wherein the first hollow tube (121) is provided with a handrail device (150), and the handrail device (150) is located between the front seat leg mounting seat (123) and the rear seat leg mounting seat (124), the handrail device (150) comprises an inverted U-shaped handrail (153), a pair of handrail mounting seats (151) fixedly mounted on the first hollow tube (121) at intervals for respectively mounting both sides of the open end of the handrail (153), and a pair of handrail rotating shafts (152), both sides of the open end of the handrail (153) are respectively hinged with the handrail mounting seats (151) through one handrail rotating shaft (152), a handrail rotation limiting plate (154) for limiting the outward rotation of the handrail (153) is arranged on the outer side of the handrail mounting seats (151), the handrail (153) can rotate inwards around the rotating shafts (152) with a rotation angle ranging from 0 ° to 90 °, and the handrail mounting shafts (152) are provided with a safety belt hook (155) for mounting the outer side of the handrail (152).

6. A crew rest arrangement on a civil aircraft according to claim 1, wherein a foot rest device (160) is arranged on the top surface of the sealing end of the tail frame (103), the foot rest device (160) comprises a foot rest mounting seat (161), a foot rest (162) and a rotating shaft (163), the foot rest mounting seat (161) is fixedly arranged on the central top surface of the sealing end of the tail frame (103), the foot rest (162) is rotatably arranged on the foot rest mounting seat (161) through the rotating shaft (163), a foot rest rotation limiting plate for limiting the foot rest (162) to outwards rotate is arranged on the foot rest mounting seat (161), and the foot rest (162) can rotate inwards around the rotating shaft (163) with a rotation angle ranging from 0 ° to 90 °.

7. A method of using a crew rest facility on a civil aviation passenger aircraft according to any of claims 1-6, comprising a method of installation, and a method of removal and stowing;

the installation method comprises the following steps:

step 1, taking out the accommodated frameworks and foam pads from a passenger cabin luggage rack of a civil aviation passenger plane;

step 2, the supporting legs are outwards rotated for 90 degrees to be vertical to the middle frame;

Step 3, placing a rest facility of a crew member on a seat surface on a economy class seat to be installed, wherein the support legs are arranged on the front side of the seat surface;

step 4, loading the supporting legs into the seat mounting guide rail and moving the supporting legs to a proper position towards the inner side of the seat along the direction of the seat mounting guide rail;

step 5, rotating the lock nut downwards to fix the positioning block on the seat installation guide rail;

step 6, unfolding the foot rest to be vertical to the cloth supporting plane;

step 7, pulling the pull belt outwards to enable the bolt to be separated from the positioning hole and keep a separated state, rotating outwards to expand the backrest to a proper position, and loosening the pull belt to enable the bolt to be inserted into the corresponding positioning hole;

step 8, unfolding the armrests to be vertical to the cloth supporting plane;

step 9, the tail frame is pulled out to a proper position, and the supporting cloth is connected with the connecting part of the tail frame;

step 10, expanding a foam pad and installing the foam pad on a framework;

Step 11, rotating the adjusting nut to shrink the supporting leg, and compressing the seat cushion surface of the aircraft seat downwards through the framework until the facility is stable and does not shake;

Step 12, taking down the hanging hook of the outermost safety belt of the seat close to one side of the backrest and fixing the hanging hook on the safety belt anchor of the backrest;

step 13, taking down a hook of a safety belt of the middle seat, which is close to one side of the backrest, and fixing the safety belt on a groove of a handrail rotating shaft of the handrail rotating shaft, so that the installation is completed;

the disassembly and storage method comprises the following steps:

Step a, rotating an adjusting nut to extend the supporting leg, so that the middle frame is separated from contact with the seat cushion surface of the airplane seat;

Step b, taking down the foam pads from the facilities, folding the foam pads two by two, folding the plate-shaped foam pads into block-shaped foam blocks, and directly storing the block-shaped foam blocks in a luggage rack of a passenger cabin;

step c, connecting and separating the supporting cloth and the tail frame, folding the tail frame to the middle frame position, loosening the guide pin, and pushing the tail frame to the middle frame direction to enable the tail frame to retract into the middle frame;

step d, inwards folding the armrests to be parallel to the cloth supporting plane;

Step e, pulling the pull belt outwards to enable the bolt to be separated from the positioning hole and keep a separated state, manually rotating the backrest towards the middle frame to enable the backrest to be attached to the middle frame, and loosening the pull belt;

F, folding the foot rest inwards to be parallel to the cloth supporting plane;

Step g, rotating the lock nut upwards to enable the positioning block to be separated from the seat installation guide rail;

step h, lifting the rest facilities of the crew members to separate the supporting legs from the seat mounting guide rails;

step i, rotating the supporting leg by 90 degrees towards the direction of the cloth supporting surface;

And k, storing the disassembled and folded framework in a cabin luggage rack, namely finishing disassembly and storage.