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A quick-release lid

A technology of mouth cover and plug cover, which is applied to the fuel tank of the power unit, etc., can solve the problems of aircraft safety hazards, falling off, etc., and achieve the effects of high degree of generalization, good use and maintainability, and easy operation

Active Publication Date: 2019-01-25
SHAANXI AIRCRAFT CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional quick-release flaps for aircraft refueling mostly adopt the handle rotation type, which is composed of flaps, handles, flap components and sealing rings. , the handle of the cover may pop up accidentally and make the quick release cover in an unlocked state, there is a danger of falling off, which brings safety hazards to the aircraft

Method used

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  • A quick-release lid

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Embodiment Construction

[0016] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0017] see figure 1 , figure 2 and image 3 ,in, figure 1 It is an outline drawing of a quick-release lid of the present invention, figure 2 Yes figure 1 A-A sectional view of, image 3 Yes figure 1 An exploded view of the main components. In this embodiment, the adjustable quick-release lid for aircraft refueling includes a plug cap 1, a separator 2, a sealing ring 3, a plug cap spring 4, a steel ball 5, a nut 6, a washer 7, an adjusting screw plug 8, Steel ball lock spring 9, valve 10, insurance ring 11, chain 12.

[0018] The separator 2 is a cylinder with openings at both ends. Four through holes are evenly opened on the side wall of the separator 2. Steel balls 5 with a diameter larger than the depth of the through holes are installed in the through holes. The plug cover 1 is set on the separator. 2, located at one end of the separator 2, a limit step ...

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PUM

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Abstract

The invention belongs to the technical field of aircraft fuel systems, and relates to a quick-release type access cover. The quick-release type access cover consists of a plug cover, a plug cover spring, an adjusting screw plug, a steel ball lock spring, a separator, a steel ball, a valve, a nut, a sealing ring and the like. According to the quick-release type access cover disclosed by the invention, the quick-release type access cover is tightly locked on an access cover mounting seat through the steel ball, namely the internal part of the quick-release type access cover, so that opening and closing of the whole access cover can be realized by pressing the plug cover; by changing the position of the adjusting screw plug, the quick-release type access cover disclosed by the invention has various sealing functions, and the requirement that pressurizing values are required by different fuel tanks is met; the quick-release type access cover disclosed by the invention is reliable in locking, easy and simple to operate, and good in sealing; and the safety of an aircraft fuel tank is improved, and unnecessary maintenance work is reduced.

Description

technical field [0001] The invention belongs to the technical field of aircraft fuel systems, and relates to a quick-release port cover. Background technique [0002] The quick-release cover is installed on the gravity refueling port of the aircraft fuel tank. It is used to open and close the gravity refueling port during gravity refueling. When it is in the closed state, the cover should be locked on the cover mounting seat to have a good seal To ensure that the pressurized value of the fuel tank is within the specified range, and to prevent impurities, rainwater, etc. from entering the fuel tank. The fuel tank is one of the most dangerous areas on the aircraft, and the quick-release cap, as the isolation part between the fuel tank and the outside world, has relatively high requirements on its safety and maintainability. The traditional quick-release flaps for aircraft refueling mostly adopt the handle rotation type, which is composed of flaps, handles, flap components and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64D37/02
Inventor 许立夫吴川陈志涛李新军白莉婷王浩方海林王智慧张泉刘文平刘建军张少锋刘迎春
Owner SHAANXI AIRCRAFT CORPORATION
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