CN218400989U

CN218400989U - Seat structure of anti-drop seat and aircraft

Info

Publication number: CN218400989U
Application number: CN202223087157.1U
Authority: CN
Inventors: 胡华智; 欧斌雄; 李海恩
Original assignee: Ehang Intelligent Equipment Guangzhou Co Ltd
Current assignee: Ehang Intelligent Equipment Guangzhou Co Ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-01-31
Anticipated expiration: 2032-11-17

Abstract

The utility model discloses a seat support structure of chair of nai weighing down, be equipped with the energy-absorbing part on the bottom plate, the tip of energy-absorbing part extends towards the direction of keeping away from the bottom plate, the bottom surface fixed connection of seat support body in the bottom plate, the bottom surface of seat support body is equipped with accepts the cavity, the energy-absorbing part is located accepts the cavity, and be equipped with the space between the tip of energy-absorbing part and the diapire of accepting the cavity, when the aircraft is in emergent landing dynamic impact operating mode, the seat support body moves towards the bottom plate and contacts the energy-absorbing part because of inertia, make the energy-absorbing part produce deformation, the energy-absorbing part plays the effect of energy-absorbing buffering to the seat support body, reduce passenger's lumbar vertebrae load, in order to protect the passenger.

Description

Seat structure of anti-drop seat and aircraft

Technical Field

The utility model relates to an airborne vehicle technical field especially relates to a seat support structure and aircraft of resistant chair that weighs down.

Background

The existing multi-rotor vertical take-off and landing aircraft adopts a battery for power supply and motor driving, and in order to improve the voyage of the aircraft, the design of a seat of the aircraft needs to meet the requirement of lightweight design, so that the seat can not deal with the emergency landing dynamic impact working condition at all, and the impact on the lumbar vertebrae of a passenger is very large when the passenger faces the emergency landing dynamic impact working condition of the aircraft.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a chair seat structure of a falling-resistant chair and an aircraft to solve the problem that the existing chair seat structure can directly transmit impact force to passengers under the dynamic impact working condition of aircraft emergency landing.

The purpose of the utility model is realized by adopting the following technical scheme:

a chair seat structure of a falling-resistant chair comprises a bottom plate and a chair seat body;

the bottom plate is provided with an energy-absorbing part, and the end part of the energy-absorbing part extends towards the direction far away from the bottom plate;

the bottom surface of the seat body is fixedly connected with the bottom plate, the bottom surface of the seat body is provided with a containing cavity, the energy-absorbing component is located in the containing cavity, and a gap is formed between the end part of the energy-absorbing component and the bottom wall of the containing cavity.

In some optional embodiments, the energy absorbing component is provided with a plurality of lightening holes which are arranged in parallel, so that the cross section of the energy absorbing component is in a honeycomb shape, and the axes of the lightening holes point to the bottom wall of the containing cavity.

In certain alternative embodiments, the axis of the lightening hole is arranged perpendicular to the base plate.

In some optional embodiments, the storage device further comprises a reinforcing plate, the reinforcing plate is located in the storage cavity, and a plurality of side edges of the reinforcing plate are respectively connected to the inner side wall and the bottom wall of the storage cavity.

In some optional embodiments, structural adhesive is arranged between the side edge of the reinforcing plate and the accommodating cavity.

In some optional embodiments, a plurality of sides of the reinforcing plate are provided with reinforcing flanges, the reinforcing flanges on the plurality of sides are connected end to form a closed structure, and the reinforcing flanges are connected to the inner side wall or the bottom wall of the accommodating cavity.

In some optional embodiments, the reinforcing flange on at least one side of the reinforcing plate is provided with a fixing hole.

In some optional embodiments, a protective layer for preventing the seat body from cracking is attached to the outer surface of the seat body.

In some optional embodiments, the protective layer is made of poly-p-phenylene terephthalamide.

In order to solve the same technical problem, the utility model also provides an aircraft, including the seat support structure as foretell resistant chair that weighs down.

Compared with the prior art, the beneficial effects of the utility model reside in that:

when the aircraft is in the dynamic impact working condition of emergency landing, the chair seat body moves towards the bottom plate due to inertia and contacts the energy-absorbing part, so that the energy-absorbing part deforms, the energy-absorbing part plays a role in absorbing energy and buffering the chair seat body, and the lumbar load of a passenger is reduced to protect the passenger.

Drawings

FIG. 1 is a schematic view of the overall structure of the chair seat structure of the anti-falling chair;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the seat structure of the anti-falling chair of the present invention;

in the figure: 10. a chair seat body; 11. a receiving cavity; 20. an energy absorbing component; 21. a relief hole; 30. a reinforcing plate; 31. reinforcing the flanging; 40. a void.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1 to 3, a seat structure of a chair with anti-falling function is schematically shown, which includes a bottom plate and a seat body 10. As the cabin and the chassis of the manned aircraft have split type layout and integrated type layout, the base plate can be the top surface of the chassis of the aircraft and also can be the bottom surface of the cabin of the aircraft.

The base plate is provided with an energy absorbing member 20, the end of the energy absorbing member 20 extending away from the base plate, in this embodiment the energy absorbing member 20 is arranged perpendicular to the base plate. The bottom surface of the seat body is fixedly connected to a bottom plate by fasteners such as screws or bolts, the bottom surface of the seat body 10 is provided with a receiving cavity 11, when the seat body 10 is mounted on the bottom plate, the opening of the receiving cavity 11 faces the bottom plate, the energy absorbing member 20 is positioned in the receiving cavity 11, and a gap 40 is provided between the end of the energy absorbing member 20 and the bottom wall of the receiving cavity 11.

When the aircraft is in emergent landing dynamic impact operating mode, seat support body 10 moves towards the bottom plate because of inertia and contacts energy-absorbing part 20, forces energy-absorbing part 20 to produce deformation to provide energy-absorbing buffering effect to seat support body 10, protect the passenger. The gap 40 is arranged between the end part of the energy-absorbing part 20 and the bottom wall of the accommodating concave cavity 11, so that the situation that the seat body 10 deforms due to the extrusion of passengers or the maneuvering of the aircraft and the energy-absorbing part 20 is extruded accidentally to cause the premature deformation of the energy-absorbing part 20 and influence the performance of the energy-absorbing part in the emergency landing dynamic impact working condition of the aircraft in the normal use process of the seat structure of the anti-drop seat can be avoided.

Specifically, as shown in fig. 2, the energy absorbing member 20 is provided with a plurality of lightening holes 21 arranged in parallel with each other, so that the cross section of the energy absorbing member 20 is honeycomb-shaped, the axes of the lightening holes 21 are directed to the bottom wall of the receiving cavity 11, and the energy absorbing member 20 is preferably of a honeycomb aluminum structure, which can provide stronger energy absorbing performance with lighter weight than a solid aluminum structure. Wherein the axis of the lightening hole 21 is arranged perpendicular to the bottom plate.

The utility model discloses a chair seat structure of resistant chair that weighs down still includes reinforcing plate 30, and reinforcing plate 30 is located accepts cavity 11, and a plurality of sides of reinforcing plate 30 connect respectively in the inside wall and the diapire of accepting cavity 11, and reinforcing plate 30 can improve the rigidity and the intensity of seat support body 10, makes it be difficult for producing deformation when suffering the impact. Further, a structural adhesive is provided between the side edge of the reinforcing plate 30 and the housing cavity 11 to bond the reinforcing plate 30 and the housing cavity 11 to each other. In order to improve the rigidity and strength of the reinforcing plate 30, a plurality of sides of the reinforcing plate 30 are provided with reinforcing flanges 31, the reinforcing flanges 31 on the plurality of sides are connected end to end and form a closed structure, namely, the reinforcing flanges 31 on the plurality of sides form a closed ring shape, the reinforcing flanges 31 are perpendicular to the reinforcing plate 30, so that the reinforcing plate 30 is not easy to bend, and the reinforcing flanges 31 are connected to the inner side wall or the bottom wall of the accommodating cavity 11. Wherein, the reinforcing flange 31 on at least one side of the reinforcing plate 30 is provided with a fixing hole, and the fixing hole can be fixedly connected to the bottom plate by a fastener such as a bolt.

The outer surface of the seat body 10 is attached with a protective layer for preventing the seat body 10 from cracking, and the protective layer is preferably made of poly-p-phenylene terephthalamide. The protective layer can prevent the seat body 10 from breaking and generating sharp corners after being impacted by external force, and further protect passengers.

Example 2

In order to solve the same technical problem, the present embodiment further provides an aircraft including the seat structure of the anti-falling seat as described above.

In summary, when the aircraft is in the dynamic impact working condition of emergency landing, the seat body 10 moves towards the bottom plate due to inertia and contacts the energy-absorbing part 20, so that the energy-absorbing part 20 deforms, and the energy-absorbing part 20 plays a role in absorbing energy and buffering the seat body 10, thereby reducing the lumbar load of the passenger and protecting the passenger.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A chair seat structure of a weight-resistant chair is characterized by comprising a bottom plate and a chair seat body;

the bottom plate is provided with an energy absorption part, and the end part of the energy absorption part extends towards the direction far away from the bottom plate;

2. The seat structure of the crash-proof seat as claimed in claim 1, wherein the energy absorbing member has a plurality of lightening holes arranged in parallel to each other so that the energy absorbing member has a honeycomb shape in cross section, and the axes of the lightening holes are directed to the bottom wall of the receiving cavity.

3. The seat structure of a drop-resistant chair as claimed in claim 2, wherein the axis of the lightening hole is arranged perpendicular to the bottom plate.

4. The seat structure of the drop-resistant seat as claimed in claim 1, further comprising a reinforcing plate, wherein the reinforcing plate is located in the receiving cavity, and a plurality of side edges of the reinforcing plate are respectively connected to the inner side wall and the bottom wall of the receiving cavity.

5. The seat structure of the fall-resistant chair as claimed in claim 4, wherein a structural adhesive is provided between the side edge of the reinforcing plate and the receiving cavity.

6. The chair seat structure of the anti-falling chair as claimed in claim 4, wherein a plurality of sides of the reinforcing plate are provided with reinforcing flanges, the reinforcing flanges on the plurality of sides are connected end to form a closed structure, and the reinforcing flanges are connected to the inner side wall or the bottom wall of the accommodating cavity.

7. The seat structure of the drop-resistant seat as claimed in claim 6, wherein the reinforcement flange on at least one side of the reinforcement plate is provided with a fixing hole.

8. The seat structure of the anti-falling seat as claimed in claim 1, wherein a protective layer for preventing the seat body from being broken is attached to an outer surface of the seat body.

9. The seat structure of a drop-resistant chair as claimed in claim 8, wherein said protective layer is made of poly (p-phenylene terephthalamide).

10. An aircraft comprising a seat structure of a weight-resistant chair as claimed in any one of claims 1 to 9.