Structure for combining and installing safety belt and life jacket on seat

Abstract

The utility model relates to the technical field of aircraft safety, in particular to a structure for combining and installing a safety belt and a life jacket on a seat. The device is used for being arranged on EVTOL and comprises a safety belt, a life jacket and a seat, wrapping cloth with magic tapes is arranged at the front part of the safety belt; an inflatable airbag of the life jacket is arranged in the wrapping cloth; a floating object with buoyancy is arranged on the rear portion of the safety belt, the safety belt is arranged on the seat, the seat is provided with a buffer structure, the buffer structure is located in a seat cushion and a backrest of the seat and comprises memory sponge on the inner layer and a high-strength rubber buffer layer on the outer layer, and the memory sponge is used for conducting self-adaptive deformation according to the contour of the human body and the stress condition. The high-strength rubber buffer layer is used for further absorbing and buffering residual impact force, the floating objects and the inflatable air bag form double buoyancy guarantee, and failure of a single assembly is prevented. The life jacket is designed to be separated from an electric mode and a manual mode, so that quick unlocking in an emergency is ensured, and the escape efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of aircraft safety technology, specifically to a structure that combines and installs a seat belt and life vest onto a seat. Background Technology

[0002] Electric Vertical Take-off and Landing (EVTOL) aircraft are electric aircraft that can take off and land vertically without a runway. EVTOLs may also need to make emergency landings on water, requiring them to be equipped with life vests. The internal space of EVTOLs is generally small, making it difficult to better integrate life vests. Traditional aircraft seat belts and life vests are usually designed separately, taking up a lot of space and complicating operation in emergencies. Furthermore, the inflation and release mechanisms of existing life vests are mostly manual, which is insufficient to meet the rapid response and compact layout requirements of highly integrated aircraft like EVTOLs. At the same time, traditional seat belts lack sufficient cushioning performance. Conventional seat belts often rely on a single webbing material (such as polyester or nylon) to secure occupants, which, while possessing tensile strength, lacks an active impact cushioning mechanism. In an EVTOL emergency landing scenario, occupants may experience instantaneous impact forces as high as 10G; relying solely on webbing can easily lead to rib fractures or internal organ damage. Therefore, a new solution is urgently needed to address these existing problems. Utility Model Content

[0003] The purpose of this utility model is to provide a structure for combining and installing a seat belt and a life vest onto a seat, for use in an EVTOL, including a seat belt, a life vest and a seat;

[0004] The front of the seatbelt is covered with a Velcro strap, and the cover contains an inflatable life jacket airbag. The rear of the seatbelt has a self-buoyant float. The seatbelt is installed on the seat, which has a cushioning structure located inside the seat cushion and backrest. The cushioning structure includes an inner layer of memory foam and an outer layer of high-strength rubber cushioning. The memory foam is designed to adapt to the body contours and stress conditions, while the high-strength rubber cushioning layer is used to further absorb and cushion the remaining impact force. The seat has a space to accommodate a life jacket, and the back of the life jacket has a connecting buckle that connects to the buckle on the seat.

[0005] The seat is equipped with a locking lever. The lever rotates the gear, which drives the rack to move. The gear and rack transmit power through a transmission device, which pulls the locking mechanism, releases the locking tongue, opens the latch, and allows the life jacket to detach from the seat.

[0006] The disengagement device automatically disengages from the life jacket when the EVTOL issues a disengagement signal.

[0007] It also includes an unlock button; pressing the unlock button will detach the life jacket from the seat.

[0008] The life jacket has an automatic inflation device.

[0009] The beneficial effects of this application are: the floating object and the inflatable airbag of this utility model form a dual buoyancy guarantee, preventing the failure of a single component. The memory foam layer can adaptively deform according to the human body contour, dispersing impact force and improving comfort. Memory foam refers to polyether-type polyurethane foam with slow rebound mechanical properties, belonging to special foams, which are polyurethane foams with slow rebound characteristics. The high-strength rubber cushioning layer surrounding the memory foam can absorb residual impact energy, reducing the risk of collision injury. The life vest features a dual-mode electric and manual release design, ensuring rapid unlocking in emergencies and improving escape efficiency. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of a structure of the present invention that combines a seat belt and a life jacket and installs them onto a seat.

[0011] Figure 2 This is a rear view of a structure of a seat belt that combines a seat belt and a life jacket and is installed on a seat, according to the present invention.

[0012] Figure 3 This is a test cross-sectional view of a structure of the present invention that combines a seat belt and a life jacket and installs them onto a seat.

[0013] Figure 4 This is a schematic diagram of a structural seat that combines a seat belt and a life jacket and installs them onto the seat, according to the present invention.

[0014] Figure 5 This is a schematic diagram of a structural wrench that combines a seat belt and a life jacket and installs them onto a seat, according to this utility model.

[0015] Figure 6 This utility model provides a schematic diagram of a structure for combining and installing a seat belt and life vest onto a seat, including a rotating gear and a rack. Detailed Implementation

[0016] A structure that combines and mounts a seatbelt and life vest to a seat, for use on an EVTOL, such as Figures 1-6 As shown, it includes a seat belt 1, a life jacket 2, and a seat 3;

[0017] The front of the seat belt 1 is provided with a fabric cover 11 with Velcro, and the fabric cover 11 contains an inflatable airbag 21 of the life jacket; the rear of the seat belt 1 is provided with a self-buoyant float 22. The seat belt 1 is installed on the seat. The seat 3 has a cushioning structure 39, which is located inside the seat cushion and backrest of the seat 3. It includes an inner layer of memory foam and an outer layer of high-strength rubber cushioning layer. The memory foam is used to adaptively deform according to the human body contour and the force conditions. The high-strength rubber cushioning layer is used to further absorb and cushion the remaining impact force. The seat 3 is provided with a space 31 for accommodating the life jacket 2. The back of the life jacket 2 is provided with a connecting buckle 23, which is connected to the buckle 32 on the seat 3.

[0018] The seat 3 is equipped with a locking lever 33. The lever 33 rotates the gear 34, which drives the rack 35 to move. The gear 34 and rack 35 transmit power through the transmission device 36. The transmission device 36 pulls the locking mechanism 37, the locking tongue is released, the latch is opened, and the life jacket 2 and the seat 3 are separated.

[0019] The disengagement device automatically disengages from the life jacket 2 when the EVTOL issues a disengagement signal.

[0020] It also includes an unlock button 38. Pressing the unlock button 38 will cause the life jacket 2 to detach from the seat 3.

[0021] The life jacket 2 has an automatic inflation device.

[0022] Example

[0023] The front of the seatbelt 1 features a fabric cover 11 with Velcro, housing symmetrically placed inflatable airbags 21. The fabric cover 11 is secured with Velcro for easy removal or adjustment. The rear structure of the seatbelt 1 integrates a self-buoyant float 22, providing basic buoyancy before the airbags inflate, preventing the body from sinking. The seatbelt 1 connects to the seat 3. The life vest 2 has an automatic inflation device: inflation is triggered by sensors detecting water ingress or an emergency signal, allowing the airbags 21 to inflate within 3 seconds, providing buoyancy. The back of the life vest 2 has a connecting buckle 23 that matches the seat buckle 32, supporting manual or electric disengagement. The connecting buckle 23 and buckle 32 are preferably electromagnetically connected; pressing the unlock button 38 disconnects the power and releases the buckle. A cushioning structure 39 is located inside the seat cushion and backrest, with a memory foam layer that adapts to the body's contours, dispersing impact and enhancing comfort. Memory foam refers to polyether-type polyurethane foam with slow rebound mechanical properties. It is a special type of foam, specifically a polyurethane foam with slow rebound characteristics. The high-strength rubber cushioning layer surrounding the memory foam absorbs residual impact energy, reducing the risk of collision injury. The high-strength rubber cushioning layer is made of EPDM rubber or sulfur-cured rubber. A hidden space 31 is provided inside the seat, where the life jacket 2 can be folded and stored without affecting normal seating. The manual release mechanism operates as follows: pull the lever 33 on the side of the seat → drive the gear 34 and rack 35 → pull the locking mechanism 37 through the transmission device 36 → the locking tongue of the locking mechanism 37 releases, and the life jacket 2 detaches. For the electric release mechanism, after the EVTOL control system detects a water descent signal, it automatically sends a release command to the life jacket 1, and the buckle 32 unlocks via electromagnetic drive. One or more life jackets can detach simultaneously, improving emergency escape efficiency. If the automatic function fails, passengers can manually unlock the life jacket using the lever 33. The floating object 22 and the inflatable airbag 21 form a dual buoyancy guarantee to prevent the failure of a single component.

[0024] Finally, it should be noted that the above embodiments are detailed descriptions of the technical solutions of this utility model, and are not limited to the foregoing embodiments. Those skilled in the art should understand that modifications or substitutions to the features and parameters in the foregoing embodiments do not depart from the spirit and scope of the technical solutions of the foregoing embodiments.

Claims

1. A structure to combine and mount a seat belt and a life jacket to a seat for setting on an EVTOL, characterized in that, The safety belt (1), life jacket (2) and seat (3) are included. The front part of the safety belt (1) is provided with a magic tape covered cloth (11) with an inflatable air bag (21) of the life jacket inside; the rear part of the safety belt (1) is provided with a self-floating float (22); the safety belt (1) is arranged on the seat (3); the seat (3) has a buffer structure (39) inside the seat cushion and backrest, which includes a memory sponge inner layer and a high-strength rubber buffer layer outer layer; the memory sponge is used for adaptive deformation according to the human body contour and stress condition; the high-strength rubber buffer layer is used for further absorbing and buffering the remaining impact force; the seat (3) is provided with a space (31) capable of accommodating the life jacket (2); the back of the life jacket (2) is provided with a connecting lock buckle (23) connected with the lock buckle (32) on the seat (3).

2. The structure of claim 1, wherein, The seat (3) is provided with a wrench (33) with a locking function; the wrench (33) rotates a gear (34) to drive a rack (35) to move; the gear (34) and the rack (35) transmit power through a transmission device (36); the transmission device (36) pulls a locking mechanism (37) to release the lock tongue and open the lock buckle (32), so as to realize the separation of the life jacket (2) and the seat (3).

3. The structure of claim 1, wherein, The device further includes a separation device which automatically separates the life jacket (2) when the EVTOL sends a separation signal.

4. The structure of claim 3, wherein, The device further includes an unlocking button (38); pressing the unlocking button (38) separates the life jacket (2) from the seat (3).

5. The structure of claim 1, wherein The life jacket (2) has an automatic inflation device.

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