Rear seat and fuselage integrated structure for eVTOL aircraft

Abstract

The utility model discloses an integrated structure of a rear seat and a fuselage for an eVTOL aircraft, and relates to the field of aircrafts, the integrated structure comprises a fuselage structure and a seat structure; the fuselage structure comprises a fuselage frame, a bottom supporting frame and a passenger cabin floor, the passenger cabin floor is fixedly installed on the bottom supporting frame, and the fuselage frame is located on the rear side of the bottom supporting frame and fixedly connected with the bottom supporting frame; a seat joint is fixed on the bottom support frame through a bolt, one end of the seat joint is fixed with the bottom support frame, and the other end is fixed with the fuselage frame; the seat structure comprises a seat and a backrest, the bottom of the seat is fixed to the passenger cabin floor through bolts, and the rear portion of the backrest is fixed to a seat connector through bolts. According to the integrated structure provided by the utility model, the stability and comfort of the seat are ensured, the seat can be quickly replaced when an airplane is maintained, the maintenance efficiency is effectively improved, and the space utilization rate is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of aircraft, especially relates to a rear-row seat and fuselage integrated structure for eVTOL aircraft. BACKGROUND

[0002] The aircraft seat is located in the fuselage cabin and is directly used by passengers, and is a device directly contacted by passengers. The seat directly contacts passengers on one hand and provides a comfortable riding environment for passengers; on the other hand, the seat is connected with a safety belt to transmit the load of passengers to the fuselage structure and ensure the personal safety of passengers.

[0003] At present, the seat of most civil aviation passenger aircraft is directly connected with the fuselage structure 1 through the footrest on the seat; the space required by this connection mode is relatively large.

[0004] For eVTOL small aircraft, how to reasonably utilize the internal space of the aircraft to maximize the utilization rate of the cabin space has become a problem to be solved. Based on this, the utility model provides a rear-row seat and fuselage integrated structure for eVTOL aircraft. UTILITY MODEL CONTENTS

[0005] The utility model provides a rear-row seat and fuselage integrated structure for eVTOL aircraft, which comprises a fuselage structure (1) and a seat structure (2); the fuselage structure (1) comprises a fuselage frame (11), a bottom support frame (12) and a cabin floor (13), the cabin floor (13) is fixedly installed on the bottom support frame (12), the fuselage frame (11) is located at the rear side of the bottom support frame (12) and is fixedly connected with the bottom support frame (12); a seat connector (14) is fixed on the bottom support frame (12) through bolts, one end of the seat connector (14) is fixed with the bottom support frame (12), and the other end is fixed with the fuselage frame (11); the seat structure (2) comprises a seat (21) and a backrest (22), the bottom of the seat (21) is fixed with the cabin floor (13) through bolts, and the rear part of the backrest (22) is fixed with the seat connector (14) through bolts.

[0006] An integrated structure of a rear seat and a fuselage for an eVTOL aircraft, wherein the bottom support frame (12) in the fuselage structure (1) is a frame structure composed of a floor underside frame (121), a floor underside beam (122), and a floor edge strip (123); a plurality of floor underside frames (121) are vertically arranged in parallel, a floor underside beam (122) is fixed to the front lower part of each floor underside frame (121), and a plurality of floor underside beams (122) are also vertically arranged in parallel; the rear side of the floor underside beam (122) is fixedly connected to the front lower part of the floor underside frame (121), and the height of the floor underside beam (122) is lower than that of the floor underside frame (121); and a floor edge strip (123) is fixed to the top of each floor underside beam (122) and floor underside frame (121).

[0007] An integrated structure of a rear seat and a fuselage for an eVTOL aircraft, wherein a cabin floor (13) covers the floor underside frame (121) and the floor underside beam (122), and the cabin floor (13) is fixed to the upper end of each floor underside frame (121) and floor underside beam (122); the rear side of the floor underside frame (121) and the floor edge strip (123) is fixed to the fuselage frame (11) by welding or bolt connection.

[0008] An integrated structure of a rear seat and a fuselage for an eVTOL aircraft, wherein four screw holes (211) are provided at the bottom of the seat (21), and four screw holes are also provided at the corresponding position of the cabin floor (13) where the seat (21) is placed; the seat (21) and the cabin floor (13) are fixed by four screws.

[0009] An integrated structure of a rear seat and a fuselage for an eVTOL aircraft, wherein the seat joint (14) comprises an upper end joint (141), a middle connecting rod (142), and a lower end joint (143); the upper end joint (141) and the lower end joint are arranged at the two ends of the middle connecting rod (142); the upper end joint (141) is fixed to the fuselage frame (11), and the lower end joint (143) passes through the cabin floor (13) and is fixedly connected to the upper edge strip of the floor underside beam (122).

[0010] An integrated structure of a rear seat and a fuselage for an eVTOL aircraft, wherein a plurality of screw holes (211) are provided on the middle connecting rod (142) of the seat joint (14), and the backrest (22) is fixed to the seat joint (14) by bolts.

[0011] An integrated structure of a rear seat and a fuselage for an eVTOL aircraft, wherein a headrest (23) is installed above the backrest (22), and the headrest (23) is fixed to the fuselage frame (11) by bolts.

[0012] The seat (21) is provided with a seat cushion, and the backrest (22) is provided with a back cushion.

[0013] The beneficial effects realized by the utility model are as follows:

[0014] (1) The integrated structure ensures the stability and comfort of the seat, and in an emergency, the seat can serve as a protective barrier for passengers, reducing the harm caused to passengers by collision or jolting.

[0015] (2) The design scheme enables the seat to be quickly replaced during aircraft maintenance, effectively improving the maintenance efficiency.

[0016] (3) Since the improved seat structure is directly placed on the fuselage floor, the chair legs are cancelled, and the space utilization rate of the passenger cabin inside the fuselage is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings.

[0018] Figure 1 An integrated structure diagram of a rear seat and a fuselage for an eVTOL aircraft is provided for the embodiments of the utility model;

[0019] Figure 2 An integrated structure exploded view;

[0020] Figure 3 An integrated structure top view.

[0021] Reference signs:

[0022] 1, fuselage structure; 2, seat structure; 11, fuselage frame; 12, bottom support frame; 13, passenger cabin floor; 14, seat joint; 121, floor lower side frame; 122, floor lower side beam; 123, floor edge strip; 141, upper end joint; 142, middle connecting rod; 143, lower end joint; 21, seat; 22, backrest; 23, headrest; 24, storage table; screw hole 211. DETAILED DESCRIPTION

[0023] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work are within the scope of the present application.

[0024] Embodiment

[0025] As shown in Figure 1 and Figure 2 The utility model provides a kind of integrated structure for rear seat and fuselage of eVTOL aircraft, comprising: fuselage structure 1 and seat structure 2;Fuselage structure 1 includes fuselage frame 11, bottom support frame 12 and cabin floor 13, cabin floor 13 is fixedly installed on bottom support frame 12, fuselage frame 11 is located bottom support frame 12 rear side, and is fixedly connected with bottom support frame 12;Seat joint 14 is fixed on bottom support frame 12 by bolt, one end of seat joint 14 is fixed with bottom support frame 12, the other end is fixed with fuselage frame 11;Seat structure 2 includes seat 21 and backrest 22, the bottom of seat 21 is fixed by bolt with cabin floor 13, and the rear part of backrest 22 is fixed by bolt with seat joint 14.

[0026] Specifically, bottom support frame 12 in fuselage structure 1 is a frame structure composed of floor underside frame 121, floor underside beam 122 and floor edge strip 123, bottom support frame 12 is made of high-strength lightweight material, which not only reduces the overall weight of the aircraft, but also improves the load capacity and impact resistance of seat 21.

[0027] A plurality of floor underside frames 121 are vertically and parallelly arranged, floor underside beams 122 are fixed to the front lower part of each floor underside frame 121, and a plurality of floor underside beams 122 are also vertically and parallelly arranged, the rear side of floor underside beam 122 is fixedly connected with the front lower part of floor underside frame 121;The height of floor underside beam 122 is lower than that of floor underside frame 121, forming a stepped shape, seat structure 2 is fixedly installed on the upper step, and the lower step is convenient for passengers to place their legs. Floor edge strip 123 is fixed to the top of each floor underside beam 122 and floor underside frame 121. Floor underside frame 121, floor underside beam 122 and floor edge strip 123 are fixed by welding or bolt connection to ensure the stability and strength of the structure.

[0028] Cabin floor 13 covers floor underside frame 121 and floor underside beam 122, and cabin floor 13 is fixed with the upper end of each floor underside frame 121 and floor underside beam 122. The rear side of floor underside frame 121 and floor edge strip 123 is fixed with fuselage frame 11 by welding or bolt connection.

[0029] The seat structure 2 comprises a seat 21 and a backrest 22, and the seat 21 and the backrest 22 are designed at an obtuse angle, and the specific angle is suitable for user comfort. A headrest 23 is installed above the backrest 22, and the headrest 23 is fixed on the fuselage frame 11 by bolts.

[0030] As shown in Figure 3 four screw holes 211 are formed at the bottom of the seat 21, and four screw holes are also formed at the corresponding position of the passenger cabin floor 13 where the seat 21 is placed, and the seat 21 and the passenger cabin floor 13 are fixed by four screws, so that the seat 21 can be stably installed on the passenger cabin floor 13.

[0031] The backrest 22 in the seat structure 2 is fixed with the fuselage frame 11 through the seat joint 14. Specifically, the seat joint 14 comprises an upper end joint 141, a middle connecting rod 142 and a lower end joint 143, the upper end joint 141 and the lower end joint are arranged at both ends of the middle connecting rod 142, the upper end joint 141 is fixed with the fuselage frame 11, and the lower end joint 143 penetrates through the passenger cabin floor 13 and is fixedly connected with the upper edge strip of the floor lower side beam 122. A plurality of screw holes 211 are formed on the middle connecting rod 142 of the seat joint 14, and the backrest 22 is fixed on the seat joint 14 by bolts, and the included angle between the seat joint 14 and the passenger cabin floor 13 is the same as the included angle between the seat 21 and the backrest 22, so that the backrest 22 is stably fixed with the fuselage structure 1.

[0032] Soft cushions and back cushions are placed on the seat 21 and the backrest 22, and the cushions and back cushions are made of advanced memory sponge material, which can automatically adjust the shape according to the body shape and sitting posture of the passenger, effectively disperse the body pressure, reduce the fatigue caused by riding, and provide a comfortable riding environment for the passenger.

[0033] Optionally, the rear row of the eVTOL small aircraft can be provided with one seat structure 2, or left and right two seat structures 2, and the two seat structures 2 are provided with armrests at both ends and a storage table 24 between the two seats 21. The position of the seat structure 2 can be adjusted as needed.

[0034] In the utility model, through the fixed connection of the fuselage frame 11, the bottom support frame 12 and the passenger cabin floor 13, the stability of the rear seat bottom is realized, the seat 21 is fixed with the passenger cabin floor 13, the stability of the seat 21 is realized, the backrest 22 is fixed with the fuselage frame 11 and the bottom support frame 12 through the seat joint 14, so that the rear seat of the eVTOL small aircraft is tightly fixed on the fuselage, the stability and comfort of the seat system are ensured, in an emergency, the seat can be used as a protective barrier for passengers, and the harm caused by collision or bumping to passengers can be reduced. At the same time, the design scheme can quickly replace the seat during aircraft maintenance, and the maintenance efficiency is effectively improved.

[0035] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that the present application can be implemented in other embodiments without departing from the spirit or essential characteristics of the present application. The embodiments should therefore not be considered to be exhaustive or limiting, the scope of the present application being defined by the appended claims rather than by the above description. It is therefore intended that all changes and modifications that come within the meaning and range of equivalency of the claims are resolvable by the following claims. Any reference signs in the claims should not be construed as limiting the scope of the claims.

[0036] In the description of the present application, unless otherwise specified and limited, the meaning of "a plurality of" is two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For a person skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. An integrated structure of rear row seats and fuselage for an eVTOL aircraft, characterized in that, The utility model relates to an aircraft seat structure, including: The fuselage structure (1) and seat structure (2); The fuselage structure (1) includes fuselage frame (11), bottom support frame (12) and cabin floor (13), cabin floor (13) is fixedly installed on bottom support frame (12), fuselage frame (11) is located bottom support frame (12) rear side, and is fixedly connected with bottom support frame (12);The seat joint (14) is fixed on bottom support frame (12) through bolt, one end of seat joint (14) is fixed with bottom support frame (12), the other end is fixed with fuselage frame (11);Seat structure (2) includes seat (21) and backrest (22), and the bottom of seat (21) is fixed through bolt with cabin floor (13), and the rear portion of backrest (22) is fixed through bolt with seat joint (14).

2. An integrated structure of rear seat and fuselage for eVTOL aircraft as claimed in claim 1 wherein, The bottom support frame (12) in the fuselage structure (1) is a frame structure formed by the floor underside frame (121), the floor underside beam (122) and the floor edge strip (123) together, a plurality of floor underside frames (121) are vertically and parallelly arranged, the floor underside beam (122) is fixed to the front lower portion of each floor underside frame (121), a plurality of floor underside beams (122) are also vertically and parallelly arranged, the rear side of the floor underside beam (122) is fixedly connected with the front lower portion of the floor underside frame (121), and the height of the floor underside beam (122) is lower than that of the floor underside frame (121), and the floor edge strip (123) is fixed to the top of each floor underside beam (122) and floor underside frame (121).

3. An integrated structure of rear seat and fuselage for eVTOL aircraft as claimed in claim 2 wherein, The cabin floor (13) is covered on the floor underside frame (121) and the floor underside beam (122), and the upper end of the cabin floor (13) is fixed with each floor underside frame (121) and floor underside beam (122), the rear side of the floor underside frame (121) and the floor edge strip (123) is fixed by welding or bolt connection with the fuselage frame (11).

4. An integrated structure of rear seat and fuselage for eVTOL aircraft as claimed in claim 1, wherein, Four screw holes (211) are formed in the bottom of the seat (21), and four screw holes are also formed in the corresponding position of the cabin floor (13) where the seat (21) is placed, so that the seat (21) and the cabin floor (13) are fixed by four screws.

5. An integrated structure of rear seat and fuselage for eVTOL aircraft as claimed in claim 1, wherein, The seat joint (14) includes an upper end joint (141), an intermediate connecting rod (142) and a lower end joint (143), the upper end joint (141) and the lower end joint are arranged at the two ends of the intermediate connecting rod (142), the upper end joint (141) is fixed with the fuselage frame (11), and the lower end joint (143) penetrates through the cabin floor (13) and is fixedly connected with the upper edge strip of the floor underside beam (122).

6. An integrated structure of rear seat and fuselage for eVTOL aircraft as claimed in claim 5 wherein, A plurality of screw holes (211) are formed in the intermediate connecting rod (142) of the seat joint (14), and the backrest (22) is fixed on the seat joint (14) by bolts.

7. An integrated structure of rear seat and fuselage for eVTOL aircraft as claimed in claim 1, wherein, A headrest (23) is installed above the backrest (22), and the headrest (23) is fixed on the fuselage frame (11) by bolts.

8. An integrated structure of rear seat and fuselage for eVTOL aircraft as claimed in claim 1, wherein, A seat cushion is installed on the seat (21), and a back cushion is installed on the backrest (22).

Images