CN211468746U - Waterproof side-turning type aircraft movable hatch cover - Google Patents
Waterproof side-turning type aircraft movable hatch cover Download PDFInfo
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- CN211468746U CN211468746U CN201922172579.0U CN201922172579U CN211468746U CN 211468746 U CN211468746 U CN 211468746U CN 201922172579 U CN201922172579 U CN 201922172579U CN 211468746 U CN211468746 U CN 211468746U
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- movable hatch
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Abstract
The utility model provides a waterproof side-turning type aircraft movable hatch cover, which mainly comprises a windshield (1), a side-turning type movable hatch cover (2), a rear inclined frame (3) and a matched structural opening frame (4); the side-turning type movable hatch cover (2) is sealed with the windshield (1), the structural opening frame (4) and the rear inclined frame (3) by sealing hoses which are arranged on the side-turning type movable hatch cover (2); the front skin and the rear skin of the side-turning type movable hatch cover (2) are in a lap joint design structure with the windshield (1) and the rear inclined frame (3); drainage grooves are arranged on the structures of the arc frame and the rear inclined frame (3) of the windshield (1) in the skin lap joint area of the side-turning type movable hatch cover (2); arranging water retaining strips higher than a structural plane at the inner side of the structural opening frame (4) and positions, needing to be perforated, on the structural opening frame (4) such as a cabin cover lock ring, a positioning pin hole and the like; the designed waterproof side-turning type movable hatch cover of the airplane can realize the waterproof of the movable hatch cover in the links of parking on the ground, flying and washing, and improves the environmental adaptability of the airplane.
Description
Technical Field
The utility model belongs to the technical field of the aircraft design, specifically be a waterproof formula aircraft activity hatch cover that turns on one's side.
Background
The movable hatch cover of the double-seat military aircraft is generally in a side-turning type, and the waterproof design and the performance of the movable hatch cover are very important. The movable hatch cover is a passage for air ground service personnel to get in and out of a cabin, and is characterized by large area, more matching surfaces in the opening and closing process, certain deformation in the flight process, and the waterproof design of the movable hatch cover not only needs to consider the waterproof property when an airplane is parked on the ground, but also needs to consider the waterproof property when the peripheral gap and the step difference of the hatch cover are changed due to the pneumatic pressurization load of the cabin in the flight process, and even needs to consider the residual rainwater in the matching surface gap in the opening and closing process of the hatch cover to flow into the cabin. Especially, the side-turning type large hatch cover is generally designed into double-layer sealing, an outer sealing strip is waterproof, an inner side sealing hose cabin is airtight, and the skin and the structure of the aircraft hatch cover are designed into a lap joint type, so that rainwater is prevented from entering the cabin by means of sufficient lap joint amount. The sealing strip needs to be replaced regularly in the design, or the structure bears more lap joint structures, so that the maintainability is poor, and the weight cost is high.
Disclosure of Invention
For solving the not enough of above-mentioned prior art existence, the utility model provides a waterproof formula aircraft activity hatch cover that turns on one's side, realize that activity hatch cover parks on ground, air and wash the waterproof in the link, improve the environmental suitability of aircraft.
In order to realize the technical purpose, the designed waterproof side-turning type aircraft movable hatch cover mainly comprises a windshield, a side-turning type movable hatch cover, a rear inclined frame and a matched structural opening frame. The side-turning type movable cabin cover, the windshield, the structural opening frame and the rear inclined frame are sealed by sealing hoses which are arranged on the side-turning type movable cabin cover; the front and rear skin of the side-turning type movable hatch cover and the windshield and the rear inclined frame adopt a lap joint design structure.
Furthermore, the overlapping structure of the side-turning type movable hatch cover skin is in clearance fit with the windshield and the rear inclined frame, namely, the design clearance of the side-turning type movable hatch cover skin, the windshield and the rear inclined frame is reserved.
In the drainage design, the windshield arc frame and the rear inclined frame structure in the overlapping area of the side-turning type movable hatch cover skin are provided with drainage grooves, so that rainwater can flow to the outside of the engine body structure along the drainage grooves during scouring.
In addition, the appearances of the two sides of the side-turning type movable hatch cover protrude out of the fuselage skin, and rainwater can directly flow out of the fuselage to avoid gathering when flowing on the outer surface of the hatch cover.
Meanwhile, the water retaining strips higher than the structural plane are arranged on the inner side of the structural opening frame and the positions of the cabin cover locking ring and the positioning pin hole, which need to be perforated, so that residual rainwater in the opening process of the cabin cover is prevented from entering the aircraft cabin.
Furthermore, the height of the water bar higher than the structural plane is about 1cm higher than the structural plane.
According to the waterproof side-turning type aircraft movable hatch cover, the sealing hose of the airtight system of the original upper hatch cover is fully utilized, adaptive local optimization is carried out on corresponding parts of the side-turning type movable hatch cover skin, the front arc frame, the rear inclined frame and the structural opening frame, a special waterproof system is not required to be additionally added, the weight is small, the cost is low, and the waterproof effect is good.
Drawings
Fig. 1 is a schematic structural diagram of a side-turning type movable hatch cover.
Fig. 2 is a schematic structural view of a windshield and a movable hatch cover.
Fig. 3 is a schematic structural view of the movable hatch and the rear bezel.
Fig. 4 is a schematic structural view of the movable hatch cover and the opening frame.
In FIGS. 1-4: 1. the movable hatch cover comprises a windshield, 2, a side-turning type movable hatch cover, 3, a rear inclined frame, 4, a structural opening frame, 5, a windshield framework, 6, a drainage groove, 7, a sealing hose, 8, a movable hatch cover skin, 9, a movable hatch cover front arc frame, 10, a movable hatch cover rear arc frame, 11, a movable hatch cover side profile framework, 12 and a water retaining strip.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to fig. 1 to 4.
As shown in fig. 1, the side-turning type movable hatch 2 is opened in a side-turning manner, a front arc frame and a windshield 1 of the side-turning type movable hatch 2, a rear arc frame and a rear inclined frame 3 of the side-turning type movable hatch 2, and sectional materials at two sides of the side-turning type movable hatch 2 and a structural opening frame 4 are waterproof combination surfaces.
As shown in fig. 2, when the side-turning type movable hatch cover is normally closed and locked, the sealing hose 7 works, the sealing and the water proofing of the windshield framework 5 and the front arc frame 9 of the movable hatch cover are realized by the expansion of the sealing hose 7, the movable hatch cover skin 8 is lapped and partially covers the drainage groove 6, and the use deformation gap of the hatch cover is reserved. The rain water or the flushing water flows out of the machine along the drainage channel 6.
As shown in fig. 3, when the side-turning type movable hatch cover is normally closed and locked, the sealing hose 7 works, the sealing and the water proofing of the rear inclined frame 3 and the rear arc frame 10 of the movable hatch cover are realized by the expansion of the sealing hose 7, the movable hatch cover skin 8 is lapped and partially covers the drainage groove 6, and a deformation gap is reserved for the hatch cover. The rain water or the flushing water flows out of the machine along the drainage channel 6.
As shown in fig. 4, when the movable hatch is normally closed and locked, the sealing hose 7 works, the sealing and water-proofing of the structural hatch frame 4 and the movable hatch side section bar framework 11 are realized by the expansion of the sealing hose 7, the appearance of the movable hatch cover skin exceeds the appearance of the fuselage hatch frame, and rainwater or scoured water flows out of the machine along the skin. When the sealing hose 7 is not in operation, the drainage groove and the mouth frame water retaining strip 12 at the front arc frame and the rear arc frame of the movable hatch cover still play a certain waterproof role.
Claims (6)
1. The utility model provides a waterproof formula aircraft activity hatch cover that turns on one's side mainly includes windscreen (1), formula activity hatch cover that turns on one's side (2), oblique frame (3) and complex structure mouthful frame (4) after, characterized by: the side-turning type movable hatch cover (2) is sealed with the windshield (1), the structural opening frame (4) and the rear inclined frame (3) by sealing hoses which are arranged on the side-turning type movable hatch cover (2); the front and rear skins of the side-turning type movable hatch cover (2) are in lap joint with the windshield (1) and the rear inclined frame (3).
2. The waterproof sideslip aircraft removable hatch according to claim 1, characterized in that: the skin lap joint structure of the side-turning type movable hatch cover (2) is in clearance fit with the windshield (1) and the rear inclined frame (3).
3. The waterproof sideslip aircraft removable hatch according to claim 1 or 2, characterized in that: the arc frame and the rear inclined frame (3) of the windshield (1) in the skin lap joint area of the side-turning type movable hatch cover (2) are structurally provided with water drainage grooves.
4. The waterproof sideslip aircraft removable hatch according to claim 1, characterized in that: the appearance of the two sides of the side-turning type movable hatch cover (2) protrudes out of the fuselage skin.
5. The waterproof sideslip aircraft removable hatch according to claim 1, characterized in that: and water retaining strips higher than the structural plane are arranged on the inner side of the structural opening frame (4) and positions needing to be provided with holes on the cabin cover locking ring and the positioning pin hole.
6. The waterproof sideslip aircraft removable hatch of claim 5, characterized in that: the height of the water retaining strip higher than the structural plane is about 1cm higher than the structural plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922172579.0U CN211468746U (en) | 2019-12-06 | 2019-12-06 | Waterproof side-turning type aircraft movable hatch cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922172579.0U CN211468746U (en) | 2019-12-06 | 2019-12-06 | Waterproof side-turning type aircraft movable hatch cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211468746U true CN211468746U (en) | 2020-09-11 |
Family
ID=72377367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922172579.0U Active CN211468746U (en) | 2019-12-06 | 2019-12-06 | Waterproof side-turning type aircraft movable hatch cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211468746U (en) |
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2019
- 2019-12-06 CN CN201922172579.0U patent/CN211468746U/en active Active
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Address after: Nanchang high tech Industrial Development Zone, Jiangxi Province Patentee after: JIANGXI HONGDU AVIATION INDUSTRY GROUP Co.,Ltd. Address before: 330000 Jiangxi city in Nanchang Province, the new bridge box 460 box 5001 Patentee before: JIANGXI HONGDU AVIATION INDUSTRY GROUP Co.,Ltd. |