CN212448111U

CN212448111U - Seat backrest structure for general aircraft

Info

Publication number: CN212448111U
Application number: CN202020592767.9U
Authority: CN
Inventors: 朱颂华; 李宁康; 梁飞; 曾辉
Original assignee: Shanghai Guanyi General Aircraft Co ltd; Jiangxi Guanyi Aviation Co ltd
Current assignee: Shanghai Guanyi General Aircraft Co ltd; Jiangxi Guanyi Aviation Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2021-02-02
Anticipated expiration: 2030-04-20

Abstract

The utility model discloses a seat back structure for general aircraft, including the seat main part, the top of seat main part is provided with the back cushion, the both sides of seat main part are provided with the handrail, the bottom of seat main part is provided with removes the rail, the centre of seat main part is provided with buffer structure, buffer structure's both sides are passed through adjusting device and are fixed with the activity of seat main part. A seat back structure for general aircraft, be provided with adjusting device, can carry out height and radian adjustment with the back of the chair through adjusting device, make pilot's waist and the back of the chair carry out better cooperation, make pilot's posture more comfortable, be provided with buffer structure, can cushion pilot's waist through buffer structure when the aircraft needs flight to incline, can reduce the impact between pilot and the back of the chair, can also make pilot's waist more comfortable when flight.

Description

Seat backrest structure for general aircraft

Technical Field

The utility model relates to an aircraft accessory field, in particular to seat back structure for general aircraft.

Background

The airplane is an airplane which has one or more engines, a power device generates forward pushing force or pulling force, a fixed wing of a fuselage generates lifting force, and the airplane flies in the atmosphere and is heavier than air, the airplane increasingly becomes an indispensable tool of modern civilization, the airplane is deeply changed and affects the life of people, although the structural form of the airplane is continuously improved, most airplanes are composed of the following six main parts, namely: wings, fuselage, empennage, landing gear, operating systems, and power plants. They each have their own unique function, in addition to which the aircraft has additional ancillary components such as aircraft seats which provide a seat for the pilot. But current aircraft seat has certain drawback, and at first when the pilot leans on aircraft seat back, the back of the chair can not adjust according to the pilot size for some pilots are uncomfortable when leaning back on the back of the chair, and the aircraft often need rotate the side and fly, and pilot's lumbar vertebrae can be supported on the back of the chair, thereby makes pilot's lumbar vertebrae and back of the chair impact mutually and makes the waist receive the damage, influences pilot's flight comfort.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a seat back structure for general aircraft can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a backrest structure for general aircraft, includes the seat main part, the top of seat main part is provided with the back cushion, the both sides of seat main part are provided with the handrail, the bottom of seat main part is provided with removes the rail, the centre of seat main part is provided with buffer structure, buffer structure's both sides are passed through adjusting device and are fixed with the seat main part activity.

Preferably, adjusting device includes preformed groove, fixed block, tensile pole, fastening bolt and connecting pin, the preformed groove has been seted up respectively to the both sides of seat main part, every the inside of preformed groove is provided with two fixed blocks, be connected with buffer structure through the connecting pin between the fixed block, the inside that is located the preformed groove between the fixed block is provided with tensile pole, be provided with fastening bolt on the fixed block, and the fixed block passes through fastening bolt to be fixed in the preformed groove of seat main part, the fixed block removes along the inside of preformed groove, can carry out height and radian adjustment with the back of the chair through adjusting device for pilot's waist and back of the chair carry out better cooperation, make pilot's posture more comfortable.

Preferably, buffer structure includes protection pad, flexible plastic board, telescopic link, PMKD and reservation chamber, buffer structure's shape is "H" shape, protection pad, flexible plastic board and PMKD arrange in proper order outside-in, the reservation chamber has been seted up to PMKD's intermediate position, there is the telescopic link inside of reserving the chamber on the PMKD through the mounting screw, the other end of telescopic link is connected with the flexible plastic board, the cover has expanding spring on the telescopic link, can cushion pilot's waist through buffer structure when the aircraft needs to fly in the slant, can reduce the impact between pilot and the back of the chair, can also make pilot's waist more comfortable when flying.

Preferably, safety belts are arranged at the armrests on two sides of the seat body.

Preferably, a neck pillow is arranged on the back cushion.

Preferably, an adjusting button is arranged at one side of the bottom end of the seat main body, which is located on the moving rail.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, be provided with adjusting device, can carry out the radian adjustment of height through adjusting device with the back of the chair for pilot's waist carries out better cooperation with the back of the chair, makes pilot's posture more comfortable, is provided with buffer structure, can cushion pilot's waist through buffer structure when the aircraft needs the flight to the slant, can reduce the impact between pilot and the back of the chair, can also make pilot's waist more comfortable when flying.

Drawings

Fig. 1 is a schematic overall structure diagram of a seat back structure for a general-purpose aircraft according to the present invention;

fig. 2 is a front view of a seat back structure for a general-purpose aircraft according to the present invention;

fig. 3 is a schematic view of an adjusting device of a seat back structure for a general-purpose aircraft according to the present invention;

fig. 4 is a schematic view of a buffering structure of a seat back structure for a general-purpose aircraft according to the present invention.

In the figure: 1. a back cushion; 2. a neck pillow; 3. an adjustment device; 301. reserving a groove; 302. a fixed block; 303. a stretch rod; 304. fastening a bolt; 305. a connecting pin; 4. a buffer structure; 401. a protective pad; 402. a flexible plastic panel; 403. a telescopic rod; 404. fixing the bottom plate; 405. reserving a cavity; 406. a tension spring; 5. a seat main body; 6. a seat belt; 7. a handrail; 8. a moving rail; 9. and adjusting the keys.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a seat back structure for a general-purpose aircraft includes a seat main body 5, a headrest 1 is disposed above the seat main body 5, armrests 7 are disposed on two sides of the seat main body 5, a moving rail 8 is disposed at the bottom end of the seat main body 5, a buffer structure 4 is disposed in the middle of the seat main body 5, and two sides of the buffer structure 4 are movably fixed with the seat main body 5 through an adjusting device 3;

the adjusting device 3 comprises preformed grooves 301, fixing blocks 302, stretching rods 303, fastening bolts 304 and connecting pins 305, the preformed grooves 301 are respectively formed in two sides of the seat body 5, two fixing blocks 302 are arranged inside each preformed groove 301, the fixing blocks 302 are connected with the buffer structure 4 through the connecting pins 305, the stretching rods 303 are arranged inside the preformed grooves 301 among the fixing blocks 302, the fastening bolts 304 are arranged on the fixing blocks 302, the fixing blocks 302 are fixed in the preformed grooves 301 of the seat body 5 through the fastening bolts 304, and the fixing blocks 302 move along the inside of the preformed grooves 301; the buffer structure 4 comprises a protective pad 401, a flexible plastic plate 402, an expansion link 403, a fixed bottom plate 404 and a reserved cavity 405, the buffer structure 4 is H-shaped, the protective pad 401, the flexible plastic plate 402 and the fixed bottom plate 404 are sequentially arranged from outside to inside, the reserved cavity 405 is formed in the middle of the fixed bottom plate 404, the expansion link 403 is installed in the reserved cavity 405 on the fixed bottom plate 404 through a screw, the other end of the expansion link 403 is connected with the flexible plastic plate 402, and an expansion spring 406 is sleeved on the expansion link 403; safety belts 6 are arranged at the armrests 7 on two sides of the seat body 5; a neck pillow 2 is arranged on the back cushion 1; an adjusting button 9 is arranged at one side of the moving rail 8 at the bottom end of the seat main body 5.

It should be noted that, the utility model relates to a seat back structure for a general-purpose aircraft, before using, install the aircraft seat on the aircraft, then when the pilot sits on the seat main body 5, through adjusting the adjustment button 9, make the seat main body 5 move along the removal rail 8, thus make the distance between seat and operation panel suitable, can try one's trial whether the buffer structure 4 is comfortable with the waist contact at this moment, can adjust adjusting device 3 when uncomfortable, through loosening the fixed block 302 of the upper end of the seat main body 5, move the fixed block 302 along the reservation groove 301, and tensile pole 303 changes length simultaneously, can change the radian of the buffer structure 4, thus make the buffer structure 4 and the waist laminate, then can move the fixed block 302 along the reservation groove 301 simultaneously, thus make the buffer structure 4 at the appropriate height, and through screwing fastening bolt 304 with the tight card of fixed block 302 in the reservation groove 301, thereby make the pilot more comfortable on leaning on the back of the chair, fasten safety belt 6 with handrail 7 both sides, can normally fly this moment, the pilot is at the flight in-process, the aircraft need fly upwards to one side or fly to the side, can protect head and neck through back cushion 1 and neck pillow 2, there is certain impact between pilot's waist and the back cushion during, can cushion through buffer structure 4 this moment, specifically, when the pilot need fly upwards to one side or fly to the side, the waist can be pressing protection pad 401 and flexible plastic board 402 this moment, the inside telescopic link 403 of PMKD 404 can contract, and also can reduce the impact of protection pad 401 and flexible plastic board 402 through the expanding spring 406 in reserving the chamber 405, and is convenient.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A seat back structure for a general-purpose aircraft, characterized in that: including seat main part (5), the top of seat main part (5) is provided with back cushion (1), the both sides of seat main part (5) are provided with handrail (7), the bottom of seat main part (5) is provided with removal rail (8), the centre of seat main part (5) is provided with buffer structure (4), adjusting device (3) and seat main part (5) activity are passed through to the both sides of buffer structure (4) are fixed.

2. A seat back structure for a general-purpose aircraft according to claim 1, wherein: adjusting device (3) are including reservation groove (301), fixed block (302), tensile pole (303), fastening bolt (304) and connecting pin (305), reservation groove (301) have been seted up respectively to the both sides of seat main part (5), every the inside of reservation groove (301) is provided with two fixed blocks (302), be connected with buffer structure (4) through connecting pin (305) between fixed block (302), the inside that lies in reservation groove (301) between fixed block (302) is provided with tensile pole (303), be provided with fastening bolt (304) on fixed block (302), and fixed block (302) are fixed in reservation groove (301) of seat main part (5) through fastening bolt (304), fixed block (302) move along the inside of reservation groove (301).

3. A seat back structure for a general-purpose aircraft according to claim 1, wherein: buffer structure (4) are including protection pad (401), flexible plastic slab (402), telescopic link (403), PMKD (404) and reserve chamber (405), buffer structure's (4) shape is "H" shape, protection pad (401), flexible plastic slab (402) and PMKD (404) are arranged from the outside to the inside in proper order, reserve chamber (405) have been seted up to PMKD's (404) intermediate position, it has telescopic link (403) to lie in the inside of reserving chamber (405) on PMKD (404) through the screw mounting, the other end of telescopic link (403) is connected with flexible plastic slab (402), the cover has expanding spring (406) on telescopic link (403).

4. A seat back structure for a general-purpose aircraft according to claim 1, wherein: safety belts (6) are arranged on the two sides of the seat body (5) and positioned at the armrests (7).

5. A seat back structure for a general-purpose aircraft according to claim 1, wherein: the back cushion (1) is provided with a neck cushion (2).

6. A seat back structure for a general-purpose aircraft according to claim 1, wherein: an adjusting key (9) is arranged on one side, located on the moving rail (8), of the bottom end of the seat main body (5).