CN108609190B - Rotary type invisible multifunctional cover cap - Google Patents
Rotary type invisible multifunctional cover cap Download PDFInfo
- Publication number
- CN108609190B CN108609190B CN201611139695.7A CN201611139695A CN108609190B CN 108609190 B CN108609190 B CN 108609190B CN 201611139695 A CN201611139695 A CN 201611139695A CN 108609190 B CN108609190 B CN 108609190B
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- CN
- China
- Prior art keywords
- stop
- coil spring
- cover
- stealth
- rotary
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D37/00—Arrangements in connection with fuel supply for power plant
- B64D37/005—Accessories not provided for in the groups B64D37/02 - B64D37/28
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/14—Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
Abstract
The invention discloses a rotary type invisible multifunctional opening cover which comprises a rotary opening cover 1, a rotating shaft 2, a coil spring shell 3, a coil spring 4, a bushing 5, a stop pin 6 and a machine body 7. The invention is suitable for the cover which is automatically closed in the flying process, and can be applied to the closed stealth of interfaces, openings, covers, passages and the like after an aerial refueling passage, an aerial jettisonable mission load, an oil tank, a missile and the like are launched in a very narrow area. The rotary type stealth multifunctional covering cap can be integrally realized, is automatically sealed, has small space volume, simple and reliable structure and light weight, and can greatly improve the stealth performance of an airplane.
Description
Technical Field
The invention relates to the field of aerospace machinery design, in particular to a rotary invisible multifunctional covering cap.
Background
The flap on the present aircraft adopts bolted connection on the fuselage, and this kind of mode leads to the flap dismouting inconvenient, adopts the hinge mount on the fuselage in addition to through partial bolted connection on the fuselage, these flaps are only applicable to the ground condition of opening. There is also a similar door which is closed by means of a ram or a special locking mechanism when the door is closed, but this results in a complex system, requiring rams, locking devices and associated hydraulic accessories and controls, which is heavy and unreliable.
Disclosure of Invention
Object of the Invention
The invention provides a cover which is suitable for being automatically closed in the flying process, and can be applied to realizing the closed stealth of interfaces, openings, covers, passages and the like after an aerial refueling passage, an aerial jettable mission load, an oil tank, a missile and the like are jettisoned in a very narrow space.
Technical scheme
The invention discloses a rotary type invisible multifunctional opening cover which comprises a rotary opening cover 1, a rotating shaft 2, a coil spring shell 3, a coil spring 4, a bushing 5, a stop pin 6 and a machine body 7. Wherein, rotatory flap 1 includes: the hidden surface 15, the working passage surface 14, the working passage 13, the pin hole 11, the cylindrical section 10, the cover clamping groove 16, the coil spring stop surface 17, the stop boss 18, the cover mounting hole 25 and the cover boundary 28.
The body 7 includes: body mounting hole 8, body boundary 26, stop rib 19
The coil spring 4 includes: inner stop 20 and outer stop 21
The wrap spring housing 3 includes: machine body stop surface 27, shell clamping groove 22, boss stop surface 23 and shell mounting hole 24
The rotating shaft 2 penetrates through the opening cover mounting hole 25 to be mounted in the bushing 5, the bushing 5 is mounted in the machine body mounting hole 8, the bushing convex shoulder 9 abuts against the machine body 7, the coil spring 4 is mounted on the cylindrical section 10 of the rotating opening cover 1 and is blocked by the coil spring stop surface 17, the coil spring 4 is provided with an inner stop section 20 and an outer stop section 21, the inner stop section 20 is mounted in the opening cover clamping groove 16 of the rotating opening cover 1, the outer stop section 21 is mounted in the shell clamping groove 22 of the coil spring shell 3, the coil spring shell 3 is mounted on the rotating shaft 2 through the shell mounting hole 24, the coil spring shell 3 is provided with a boss stop surface 23 and is in contact with the stop ribs 19 of the machine body 7 after mounting, the rotating shaft 2 is provided with two rotating shafts, the two rotating shafts are arranged on the left side and the right side, the stop pins 6 are mounted in the pin holes 11 of the rotating opening.
Further, the working channel (13) is circular, square or diamond;
further, the stop boss (18) is cylindrical and square; and the rotary opening cover (1) is connected with the rotary opening cover in a screw and cylindrical pin mode.
Further, the coil spring stop surface (17) is connected with the coil spring (4) through a threaded hole.
Further, the stop pin (6) is round, square or triangular, and is in the form of a cylindrical pin, a screw, a bolt, a cotter pin or a flat head shaft.
Furthermore, the boundaries of the rhombic stealth boundary (26), the stealth surface (15) and the working through road surface (14) are rhombic, circular, square, rectangular and polygonal.
Further, the internal moving section (20) and the external stopping section (21) of the coil spring (4) are in a form that the end parts of the coil spring are bent.
Has advantages or positive effects compared with the prior art
The existing cover cap is large, difficult to disassemble and long in time, needs special tools, is not suitable for the closed stealth of interfaces, openings, cover caps, passages and the like after the missiles, oil tanks, missiles and the like are thrown in the air, even oil passages, mechanical borrowing ports and circuit interface cover caps after some types of missiles and auxiliary oil tanks are thrown in the air are not closed, an unsealed cavity generates a large number of scattering sources, the radar scattering area of an airplane is greatly increased, the stealth of the airplane is extremely unfavorable, the rotary stealth multifunctional cover cap can be integrally realized, is automatically closed, small in space volume, simple and reliable in structure and light in weight, and the stealth performance of the airplane can be greatly improved.
Drawings
FIG. 1 is a schematic view of a rotary type invisible multifunctional flap according to the present invention;
FIG. 2 is a schematic view of a rotating flap of the present invention;
FIG. 3 is a schematic view of the body structure of the present invention;
FIG. 4 is a schematic view of a coil spring construction of the present invention;
FIG. 5 is a schematic view of the coil spring housing of the present invention;
FIG. 6 is a schematic view of the working state of the present invention;
fig. 7 is a schematic view of the stealth state of the present invention.
4. Detailed description of the preferred embodiments
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, and fig. 7.
The multi-functional flap of rotation type stealth includes: the rotary cover cap 1, the rotating shaft 2, the coil spring shell 3, the coil spring 4, the bushing 5, the stop pin 6, the machine body 7, the machine body mounting hole 8, the bushing shoulder 9, the pin hole 11, the bushing bottom surface 12, the working channel 13, the working channel surface 14, the hidden surface 15, the cover clamping groove 16, the coil spring stop surface 17, the stop boss 18, the stop rib 19, the inner stop section 20, the outer stop section 21, the shell clamping groove 22, the boss stop surface 23, the shell mounting hole 24, the cover mounting hole 25, the machine body boundary 26, the machine body stop surface 27 and the cover boundary 28
As shown in fig. 1, the rotating shaft 2 passes through the cover mounting hole 25 and is installed in the bushing 5, the bushing 5 is installed in the machine body mounting hole 8, the bushing shoulder 9 abuts against the machine body 7, the coil spring 4 is installed on the cylindrical section 10 of the rotating cover 1 and is blocked by the coil spring blocking surface 17, the coil spring 4 has an inner blocking section 20 and an outer blocking section 21, the inner blocking section 20 is installed in the cover slot 16 of the rotating cover 1, the outer blocking section 21 is installed in the shell slot 22 of the coil spring shell 3, the coil spring shell 3 is installed on the rotating shaft 2 through the shell mounting hole 24, the coil spring shell 3 has a boss blocking surface 23 which is contacted with the blocking rib 19 of the machine body 7 after installation, the rotating shaft 2 has two, one on the left and the right, the blocking pin 6 is installed on the pin hole 11 of the rotating cover 1, one end of the rotating shaft 2 is blocked by the blocking pin 6, the other end is, the stop pin 6 is round, square, triangular, and is in the form of a cylindrical pin, a screw, a bolt, a cotter pin, or a flat head shaft.
As shown in fig. 2, the rotary opening cover 1 has a hidden surface 15, a working passage surface 14, a working passage 13, a pin hole 11, a cylindrical section 10, an opening cover clamping groove 16, a coil spring stop surface 17, a stop boss 18 and an opening cover boundary 28, wherein the working passage (13) is circular, square, diamond-shaped or in other shapes; the stop boss 18 is cylindrical, square, or the like; the rotary opening cover 1 is connected with the rotary opening cover through a screw and a cylindrical pin, and can be integrally designed;
the boundaries of the rhombus stealth boundary 26 and the stealth surface 15, the working channel surface 14 may be rhombus, circle, square, rectangle, polygon or other geometric shapes.
As shown in fig. 3, the organism mounting hole 8, the organism boundary 26 and the stop rib 19 are arranged on the organism 7;
as shown in fig. 4, the coil spring 4 is provided with an inner stop section 20 and an outer stop section 21;
as shown in fig. 5, the coil spring housing 3 has a housing stopper surface 27, a housing catching groove 22, a boss stopper surface 23, and a housing mounting hole 24.
The concrete working engineering of the rotary invisible flap of the invention is given below
As shown in fig. 6, the rotary type hiding cover cap 1, in the working state, the working passage 14 of the rotary type hiding cover cap 1 is outside, the working passage 13 of the rotary type hiding cover cap 1 is installed with hydraulic, fuel, electric circuit and other devices at this time, when these devices do not work, after being detached from the rotary type hiding cover cap 1, the rotary type hiding cover cap 1 automatically turns over under the action of the coil spring 4, as shown in fig. 7, one end of the coil spring 4 is installed on the coil spring housing 3, and the other end is installed on the rotary cover cap 1, and provides an automatic turning driving force for the rotary cover cap 1, after the rotary cover cap 1 turns over, the hiding surface 15 turns over and is arranged on the outer surface of the body 7, the working passage 14 turns over and is buried, and the body boundary 26 coincides with the. In the stealth state, the stop boss 18 on the rotary opening cover 1 abuts against the boss stop surface 23 of the coil spring shell 3, a certain pressure is provided under the action of the coil spring 4, and the rotary opening cover 1 can also be kept in the stealth state under the action of external load.
Claims (7)
1. Rotation type stealthy multi-functional flap, characterized by includes: the device comprises a rotary opening cover (1), a rotating shaft (2), a coil spring shell (3), a coil spring (4), a bushing (5), a stop pin (6) and a machine body (7);
the rotary flap (1) comprises: the device comprises a stealth surface (15), a working passage surface (14), a working passage (13), pin holes (11), a cylindrical section (10), a cover clamping groove (16), a coil spring stop surface (17), a stop boss (18), a cover mounting hole (25) and a cover boundary (28);
the body (7) comprises: a machine body mounting hole (8), a machine body boundary (26) and a stop rib (19);
the coil spring (4) comprises: an inner stop segment (20) and an outer stop segment (21);
the wrap spring housing (3) comprises: the engine body stop surface (27), the shell clamping groove (22), the boss stop surface (23) and the shell mounting hole (24);
the rotating shaft (2) penetrates through the cover mounting hole (25) and is mounted in the bushing (5), the bushing (5) is mounted in the machine body mounting hole (8), a bushing convex shoulder (9) abuts against the machine body (7), the coil spring (4) is mounted on a cylindrical section (10) of the rotating cover (1) and is blocked by a coil spring stop surface (17), the coil spring (4) is provided with an inner stop section (20) and an outer stop section (21), the inner stop section (20) is mounted in a cover clamping groove (16) of the rotating cover (1), the outer stop section (21) is mounted in a shell clamping groove (22) of the coil spring shell (3), the coil spring shell (3) is mounted on the rotating shaft (2) through a shell mounting hole (24), the coil spring shell (3) is provided with a boss stop surface (23) and is in contact with a stop rib (19) of the machine body (7) after mounting, the rotating shaft (2) is provided with two left and right ends, the stop pins (6) are mounted on a pin hole (11) of the rotating cover (, one end of the rotating shaft (2) is stopped by the stop pin (6), and the other end of the rotating shaft is stopped by the bottom surface (12) of the bushing, so that the rotating shaft (2) cannot be separated after being installed.
2. The rotary stealth multi-functional flap of claim 1, wherein: the working channel (13) is circular, square or diamond shaped.
3. The rotary stealth multi-functional flap of claim 1, wherein: the stop boss (18) is cylindrical or square; and the rotary opening cover (1) is connected with the rotary opening cover in a screw and cylindrical pin mode.
4. The rotary stealth multi-functional flap of claim 1, wherein: the coil spring stop surface (17) is connected with the coil spring (4) through a threaded hole.
5. The rotary stealth multi-functional flap of claim 1, wherein: the stop pin (6) is round, square or triangular and is in the form of a cylindrical pin, a screw, a bolt, a cotter pin or a plain shaft.
6. The rotary stealth multi-functional flap of claim 1, wherein: the boundary of the machine body (26), the stealth surface (15) and the working road surface (14) is rhombic, circular or rectangular.
7. The rotary stealth multi-functional flap of claim 1, wherein: the inner stop section (20) and the outer stop section (21) of the coil spring (4) are in the form of bent ends of the coil spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611139695.7A CN108609190B (en) | 2016-12-12 | 2016-12-12 | Rotary type invisible multifunctional cover cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611139695.7A CN108609190B (en) | 2016-12-12 | 2016-12-12 | Rotary type invisible multifunctional cover cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108609190A CN108609190A (en) | 2018-10-02 |
| CN108609190B true CN108609190B (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611139695.7A Active CN108609190B (en) | 2016-12-12 | 2016-12-12 | Rotary type invisible multifunctional cover cap |
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| Country | Link |
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| CN (1) | CN108609190B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110466735A (en) * | 2019-08-26 | 2019-11-19 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of lid having both intake and exhaust functions |
| CN112339976A (en) * | 2020-09-30 | 2021-02-09 | 成都飞机工业（集团）有限责任公司 | Aircraft linkage connecting hole blanking cover structure |
| CN112498667A (en) * | 2020-12-04 | 2021-03-16 | 中国航空工业集团公司成都飞机设计研究所 | Electric actuating retraction device for cabin door of dual-redundancy undercarriage |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR874879A (en) * | 1941-02-27 | 1942-08-28 | Argus Motoren Gmbh | Coupling for liquid or fluid lines |
| US5129621A (en) * | 1990-11-28 | 1992-07-14 | Aeroquip Corporation | Dry break coupling |
| FR2687453A1 (en) * | 1992-02-14 | 1993-08-20 | Staubli Sa Ets | Coupling device with fitted rotating spools for pipelines |
| US5332001A (en) * | 1993-08-02 | 1994-07-26 | J. C. Carter Company, Inc. | Sexless ball valve coupling |
| CN101372995A (en) * | 2008-09-19 | 2009-02-25 | 航天东方红卫星有限公司 | Memory alloy automatic locking device of movable brace rod |
-
2016
- 2016-12-12 CN CN201611139695.7A patent/CN108609190B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR874879A (en) * | 1941-02-27 | 1942-08-28 | Argus Motoren Gmbh | Coupling for liquid or fluid lines |
| US5129621A (en) * | 1990-11-28 | 1992-07-14 | Aeroquip Corporation | Dry break coupling |
| FR2687453A1 (en) * | 1992-02-14 | 1993-08-20 | Staubli Sa Ets | Coupling device with fitted rotating spools for pipelines |
| US5332001A (en) * | 1993-08-02 | 1994-07-26 | J. C. Carter Company, Inc. | Sexless ball valve coupling |
| CN101372995A (en) * | 2008-09-19 | 2009-02-25 | 航天东方红卫星有限公司 | Memory alloy automatic locking device of movable brace rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108609190A (en) | 2018-10-02 |
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