Airbag structure of on-wing emergency evacuation slide and on-wing emergency evacuation slide

Abstract

The utility model discloses an air bag structure of an on-wing emergency evacuation slide and the on-wing emergency evacuation slide. The air bag structure comprises a top air bag defining a frame. A top reinforcing airbag is connected to the upper edge of the top airbag, and the bottom of the top airbag and the bottom of the top reinforcing airbag can be completely attached to the flap. Guardrail airbags are connected to the sides, away from the airplane, of the top airbags; one end, far away from the airplane, below the top airbag is connected with a left airbag; the upper side of the left airbag is connected with a handrail airbag; the bottom ends of the left air bag and the right air bag are connected through a strip-shaped bottom air bag; the lower side of the top air bag, the left air bag, the right air bag and the bottom air bag are connected through a cross-shaped middle reinforcing air bag; bottom reinforcing air bags are arranged on the lower sides of the left air bag, the right air bag and the middle reinforcing air bag. According to the sliding ladder, people can be prevented from directly falling out of the side edge of the sliding ladder, the people are guided to safely evacuate in the correct direction, the supporting effect is guaranteed, and the deformation amount of the sliding ladder when people slide down is reduced.

Description

Technical Field

[0001] The utility model relates to aircraft lifesaving, in particular to an air bag structure of an over-wing emergency evacuation slide and the over-wing emergency evacuation slide. Background Art

[0002] Emergency evacuation slides are important life-saving facilities on civil aircraft, primarily used to help passengers and crew evacuate the aircraft quickly and safely in an emergency. Overwing emergency evacuation slides are installed on the wing flaps during use. According to relevant regulations, they need to be quickly deployed to the working state within the specified time and maintained for a period of time to allow people to evacuate quickly. Current overwing emergency evacuation slides have the following problems: 1) In an emergency, some people may panic and initially misunderstand the evacuation direction, falling directly off the side of the slide; 2) The airbag structure has weak support and is prone to collapse after a few people have evacuated, affecting the evacuation rate of subsequent personnel. Utility Model Content

[0003] The purpose of the utility model is to provide an airbag structure for an overwing emergency evacuation slide, and an overwing emergency evacuation slide based on the above structure, which can prevent people from falling directly from the side of the slide, guide people to evacuate safely in the correct direction, ensure the supporting effect, and reduce the deformation of the slide when people slide down.

[0004] The technical solution adopted in this utility model is:

[0005] An airbag structure for an over-wing emergency evacuation slide comprises a top airbag formed into a frame; a plurality of strip-shaped top reinforcing airbags arranged side by side are connected to the top of the top airbag, and the bottoms of the top airbag and the top reinforcing airbag can fully fit with the flaps; a guardrail airbag is connected to the side of the top airbag away from the aircraft, and the guardrail airbag can serve as a guardrail for blocking; a strip-shaped left airbag is connected to the end of the bottom of the top airbag away from the aircraft, and a strip-shaped right airbag is connected to the end close to the aircraft; an armrest airbag is connected to the upper side of the left airbag, and the armrest airbag can be used as a handrail; the left and right airbags are connected at their bottom ends by a strip-shaped bottom airbag; the bottom of the top airbag, the left airbag, the right airbag and the bottom airbag are connected by a cross-shaped middle reinforcing airbag; and a bottom reinforcing airbag is provided on the lower sides of the left airbag, the right airbag and the middle reinforcing airbag.

[0006] Preferably, the top airbag, left airbag, right airbag, bottom airbag and middle reinforcement airbag are connected, the top reinforcement airbags are not connected to each other and are not connected to the top airbag, the guardrail airbag is not connected to the top airbag, the armrest airbag is not connected to the left airbag, and the bottom reinforcement airbag is not connected to other airbags.

[0007] Preferably, the central reinforcement airbag includes a strip-shaped middle airbag located in the middle and strip-shaped middle side airbags located on both sides, and the middle airbag is connected and communicated with the middle side airbags on both sides.

[0008] Preferably, the bottom reinforcement airbag is reinforced and fixed by a reinforcement belt to prevent left and right shaking.

[0009] Preferably, the left airbag and the right airbag adopt a variable diameter design, which is narrow at the top and wide at the bottom.

[0010] Preferably, the top reinforcement airbag adopts a variable diameter design, with the end close to the guardrail airbag being narrow and the end away from the guardrail airbag being wide.

[0011] Preferably, the guardrail airbag height is 1m.

[0012] An overwing emergency evacuation slide comprises a slide cloth and the airbag structure of the overwing emergency evacuation slide described above; the slide cloth is arranged along the airbag structure, with its upper end extending out of a top reinforcement airbag, its upper portion being fixed to the top reinforcement airbag and the top airbag, its middle portions being fixed to a left airbag and a right airbag, its middle portion being fixed to a middle reinforcement airbag, and its lower end being fixed to a bottom airbag.

[0013] Preferably, the bottom of the slide cloth forms a certain buffer angle.

[0014] Preferably, the slide cloth is fixed by gluing.

[0015] The beneficial effects of the utility model are:

[0016] The guardrail airbag can prevent people from falling directly from the side of the slide in a panic, and work together with the handrail airbag to guide people to evacuate safely in the correct direction, ensuring that people reach the bottom of the slide smoothly; the bottom of the top airbag and the top reinforced airbag can fit completely with the flaps, ensuring that the slide and the flaps have sufficient contact area and support area. The middle reinforced airbag and the bottom reinforced airbag support the downward section of the slide, strengthen the supporting force of the airbag structure, ensure the supporting effect, and reduce the deformation of the slide when people slide down. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view of the airbag structure of the over-wing emergency evacuation slide in the first embodiment of the present invention.

[0018] Figure 2 It is a schematic back view of the airbag structure of the over-wing emergency evacuation slide in the first embodiment of the present invention.

[0019] Figure 3 This is a schematic diagram of an over-wing emergency evacuation slide installed on a flap in a second embodiment of the present invention.

[0020] In the figure: 1-guardrail airbag; 2-armrest airbag; 3, 4, 5-top reinforcement airbags; 6, 7, 8, 9, 10-top airbags; 11-left airbag; 12-right airbag; 13, 14-middle side airbags; 15-middle airbag; 16, 17, 18, 19-bottom reinforcement airbags; 20-reinforcement belt; 21-slideway cloth; 22-flaps; 23-bottom airbag. DETAILED DESCRIPTION

[0021] The present application will be further described below with reference to the accompanying drawings and examples.

[0022] Example 1

[0023] This embodiment provides an airbag structure for an over-wing emergency evacuation slide, comprising a top airbag (6, 7, 8, 9, 10), a top reinforcement airbag (3, 4, 5), a guardrail airbag 1, a left airbag 11, a right airbag 12, an armrest airbag 2, a bottom airbag 23, a middle reinforcement airbag, and a bottom reinforcement airbag (16, 17, 18, 19); wherein: the top airbag (6, 7, 8, 9, 10) forms a frame, a plurality of strip-shaped and side-by-side top reinforcement airbags (3, 4, 5) are connected to the top of the top airbag (6, 7, 8, 9, 10), and the bottoms of the top airbags (6, 7, 8, 9, 10) and the top reinforcement airbags (3, 4, 5) can be completely fitted with the flap 22, see Figure 1 and Figure 2 The specific shape of the top airbag (6, 7, 8, 9, 10) is set according to actual needs. In this embodiment, the top airbag (6, 7, 8, 9, 10) is composed of five interconnected airbags. The specific number of the top reinforcement airbags (3, 4, 5) is set according to actual needs. In this embodiment, three are used; the guardrail airbag 1 is connected to the side of the top airbag (6, 7, 8, 9, 10) away from the aircraft. The guardrail airbag 1 can be used as a guardrail to block. Figure 1 and Figure 2 The left airbag 11 is strip-shaped and connected to the top airbag (6, 7, 8, 9, 10) below the end away from the aircraft, and the right airbag 12 is strip-shaped and connected to the top airbag (6, 7, 8, 9, 10) below the end close to the aircraft, see Figure 1 and Figure 2 The armrest airbag 2 is connected to the upper side of the left airbag 11, and the armrest airbag 2 can be used as an armrest. Figure 1 The bottom airbag 23 is strip-shaped and connected between the bottom ends of the left airbag 11 and the right airbag 12, see Figure 1 and Figure 2 The middle reinforcement airbag is cross-shaped and connected to the bottom of the top airbag (6, 7, 8, 9, 10), the left airbag 11, the right airbag 12 and the bottom airbag 23, see Figure 1 and Figure 2The bottom reinforcement airbag (16, 17, 18, 19) is connected to the lower side of the left airbag 11, the right airbag 12 and the middle reinforcement airbag, see Figure 1 and Figure 2 The specific number of the top reinforcement airbags (16, 17, 18, 19) is set according to actual needs. In this embodiment, four are used.

[0024] The guardrail airbag 1 can prevent people from falling directly from the side of the slide in a panic, and cooperates with the handrail airbag 2 to guide people to evacuate safely in the correct direction, ensuring that people can reach the bottom of the slide smoothly; the bottoms of the top airbags (6, 7, 8, 9, 10) and the top reinforcement airbags (3, 4, 5) can be completely fitted with the flaps 22, ensuring that the slide and the flaps 22 have sufficient contact area and support area; the middle reinforcement airbags and the bottom reinforcement airbags (16, 17, 18, 19) support the downward section of the slide, strengthen the supporting force of the airbag structure, ensure the supporting effect, and reduce the deformation of the slide when people slide down.

[0025] like Figure 1 and Figure 2 As shown, in this embodiment, preferably: the top airbags (6, 7, 8, 9, 10), the left airbag 11, the right airbag 12, the bottom airbag 23 and the middle reinforcement airbag are connected, the top reinforcement airbags (3, 4, 5) are not connected to each other and are not connected to the top airbags (6, 7, 8, 9, 10), the guardrail airbag 1 is not connected to the top airbags (6, 7, 8, 9, 10), the armrest airbag 2 is not connected to the left airbag 11, and the bottom reinforcement airbags (16, 17, 18, 19) are not connected to other airbags. This preferred embodiment sets the airbags in key positions independently to prevent damage from affecting the sliding effect.

[0026] like Figure 1 and Figure 2 As shown, in this embodiment, preferably: the central reinforcement airbag includes a strip-shaped middle airbag 15 located in the middle and strip-shaped middle side airbags (13, 14) located on both sides, and the middle airbag 15 is connected and communicated with the middle side airbags (13, 14) on both sides.

[0027] like Figure 1 and Figure 2 As shown, in this embodiment, preferably: the left airbag 11 and the right airbag 12 adopt a variable diameter design, which is narrow at the top and wide at the bottom, thereby reducing the volume while ensuring the strength of the slide.

[0028] like Figure 1 and Figure 2 As shown, in this embodiment, preferably: the top reinforcement airbag (3, 4, 5) adopts a variable diameter design, with a narrow end close to the guardrail airbag 1 and a wide end away from the guardrail airbag 1, adapted to the flap 22.

[0029] In this embodiment, the guardrail airbag 1 preferably has a height of 1 m. Its size is not limited and can be selected according to actual needs as long as it can serve as a guardrail.

[0030] Example 2

[0031] This embodiment provides an over-wing emergency evacuation slide, comprising a slide cloth 21 and the airbag structure described in the first embodiment; Figure 3 As shown, the slide cloth 21 is arranged along the airbag structure, with its upper end extending from the top reinforcement airbags (3, 4, 5), its upper portion fixed to the top reinforcement airbags (3, 4, 5) and the top airbags (6, 7, 8, 9, 10). Its two sides of the middle are fixed to the left airbag 11 and the right airbag 12, its middle is fixed to the middle reinforcement airbag, and its lower end is fixed to the bottom airbag 23. To ensure safer sliding, in this embodiment, the bottom of the slide cloth 21 preferably forms a certain buffer angle. To prevent the bottom reinforcement airbags (16, 17, 18, 19) from swaying, in this embodiment, the bottom reinforcement airbags (16, 17, 18, 19) are preferably reinforced and fixed with reinforcement strips 20. The slide cloth 21 is preferably fixed by gluing.

[0032] The embodiments described above are part of the embodiments of the present application, rather than all of the embodiments. The detailed description of the embodiments of the present application is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

Claims

1. An airbag structure for an overwing emergency evacuation slide, characterized by: The invention comprises a top airbag which forms a frame; a plurality of strip-shaped top reinforcing airbags which are arranged side by side are connected to the upper side of the top airbag, and the bottoms of the top airbag and the top reinforcing airbag can completely fit with the flaps; a side of the top airbag away from the aircraft is connected to a guardrail airbag, and the guardrail airbag can be used as a guardrail for blocking; a strip-shaped left airbag is connected to the end away from the aircraft at the lower side of the top airbag, and a strip-shaped right airbag is connected to the end close to the aircraft; an armrest airbag is connected to the upper side of the left airbag, and the armrest airbag can be used as an armrest; the left airbag and the right airbag are connected at the bottom end by a strip-shaped bottom airbag; the lower side of the top airbag, the left airbag, the right airbag and the bottom airbag are connected by a cross-shaped middle reinforcing airbag; a bottom reinforcing airbag is provided on the lower sides of the left airbag, the right airbag and the middle reinforcing airbag.

2. The airbag structure of the overwing emergency evacuation slide according to claim 1, characterized in that: The top airbag, left airbag, right airbag, bottom airbag and middle reinforced airbag are connected. The top reinforced airbag is not connected to each other and is not connected to the top airbag. The guardrail airbag is not connected to the top airbag. The armrest airbag is not connected to the left airbag. The bottom reinforced airbag is not connected to other airbags.

3. The airbag structure of the overwing emergency evacuation slide according to claim 1, characterized in that: The central reinforcement airbag comprises a strip-shaped central airbag located in the middle and strip-shaped central side airbags located on both sides. The central airbag is connected and communicated with the central side airbags on both sides.

4. The airbag structure of the overwing emergency evacuation slide according to claim 1, characterized in that: The bottom reinforcement airbag is reinforced and fixed by reinforcement belts to prevent left and right shaking.

5. The airbag structure of the over-wing emergency evacuation slide according to claim 1, characterized in that: The left and right airbags adopt a variable diameter design, narrow at the top and wide at the bottom.

6. The airbag structure of the overwing emergency evacuation slide according to claim 1, characterized in that: The top reinforced airbag adopts a variable diameter design, with the end close to the guardrail airbag being narrow and the end away from the guardrail airbag being wide.

7. The airbag structure of the overwing emergency evacuation slide according to claim 1, characterized in that: The guardrail airbag height is 1m.

8. An over-wing emergency evacuation slide, characterized by: The airbag structure of the over-wing emergency evacuation slide comprises a slide cloth and the airbag structure of any one of claims 1 to 7; the slide cloth is arranged along the airbag structure, with its upper end extending out of the top reinforcing airbag, its upper part fixed to the top reinforcing airbag and the top airbag, its two sides in the middle fixed to the left airbag and the right airbag, its middle fixed to the middle reinforcing airbag, and its lower end fixed to the bottom airbag.

9. The over-wing emergency evacuation slide according to claim 8, characterized in that: The bottom of the slide cloth forms a certain buffer angle.

10. The over-wing emergency evacuation slide according to claim 8, characterized in that: The slide cloth is fixed by pasting.

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