Buffering airbag device

A technology of airbags and cushioning boxes, which is applied in launching devices, transportation and packaging, aircraft parts, etc. It can solve the problems that the cushioning effect is difficult to meet the requirements, and the airdrop of materials fails, so as to improve safety performance, increase the cushioning effect, and increase the cushioning effect. Effect

Pending Publication Date: 2020-08-04
HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for some materials that require very little overload, such as precision electronic components, it is difficult to achieve the buffering effect using the above method, which may cause the airdrop of materials to fail

Method used

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Embodiment Construction

[0017] The detailed description of the following embodiments and the accompanying drawings are used to illustrate the principles of the present invention, but cannot be used to limit the scope of the present invention, that is, the present invention is not limited to the described preferred embodiments, and the scope of the present invention is defined by the claims limited.

[0018] In the description of the present invention, it should be noted that unless otherwise specified, the meaning of "plurality" is two or more; in addition, the terms "first", "second" and so on are only used for descriptive purposes, It should not be construed as indicating or implying relative importance. The terms "installation" and "connection" should be understood in a broad sense, for example, it can be fixed connection, detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or connected indirectly through an intermed...

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Abstract

The invention discloses a buffering airbag device comprising an airbag. The bottom surface of the airbag is provided with an automatic inflation port; a film-type exhaust port is formed in the side surface of the airbag; a plurality of buffer boxes are arranged at the periphery of the main inflation port; a slideway is arranged in each buffer box; a piston plate is arranged in the slideway, an upper limiting structure and a lower limiting structure are respectively arranged at the two ends of the slideway; an opening is formed in the bottom surface of each buffer box; a supporting plate is arranged at the opening in the bottom surface of each buffer box, a buffer spring is fixed to the supporting plate, the upper end of the buffer spring is connected with a piston plate, hinges are arranged on the two sides of the opening in the bottom surface of each buffer box, the hinge arms of the hinges block the outer side of the supporting plate, breathing holes are formed in the top of the buffer boxes, and the interior of the buffer boxes communicates with the airbag through the breathing holes. The airbag structure is suitable for airdrop of precision electronic components and the like, the buffering effect is improved, the airbag structure can be repeatedly used, transformation can be conducted on the basis of an existing airbag structure, and the airbag device is simple and easy toimplement.

Description

technical field [0001] The invention relates to the technical field of absorbing the landing impact of airdropped objects, in particular to a cushioning airbag device. Background technique [0002] At present, the airdrop of equipment and materials mainly depends on the method of parachute or parachute plus buffer airbag. For example, an airdrop protection system disclosed in Chinese patent CN201420319201.3 includes a parachute and a safety protection device. The safety protection device includes an airbag, a gas generator and a crash switch. One end of the airbag is directly or indirectly connected to the carrier of the parachute. The other end of the airbag is connected to the gas output end of the gas generator, and the other end of the gas generator is directly or indirectly connected to the impact switch. When it cannot be opened normally within the height, it can also protect the airdrop to a certain extent, and it is less affected by the wind when airborne. As long ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64D1/14
CPCB64D1/14
Inventor 杨威屈纯毛龙张文龙王梦蕾余维维宋壬申潘世云姚俊
Owner HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY
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