CN103625636B - A kind of compound motion surface seal structure - Google Patents

A kind of compound motion surface seal structure Download PDF

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Publication number
CN103625636B
CN103625636B CN201310619240.5A CN201310619240A CN103625636B CN 103625636 B CN103625636 B CN 103625636B CN 201310619240 A CN201310619240 A CN 201310619240A CN 103625636 B CN103625636 B CN 103625636B
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CN
China
Prior art keywords
interference edges
motion
compound motion
seal
baffle plate
Prior art date
Application number
CN201310619240.5A
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Chinese (zh)
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CN103625636A (en
Inventor
覃雯
吕鹏飞
Original Assignee
中国航空工业集团公司西安飞机设计研究所
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Application filed by 中国航空工业集团公司西安飞机设计研究所 filed Critical 中国航空工业集团公司西安飞机设计研究所
Priority to CN201310619240.5A priority Critical patent/CN103625636B/en
Publication of CN103625636A publication Critical patent/CN103625636A/en
Application granted granted Critical
Publication of CN103625636B publication Critical patent/CN103625636B/en

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Abstract

The invention belongs to packing technique, particularly about a kind of hermetically-sealed construction of compound motion face.Described compound motion surface seal structure comprises motion baffle plate, press strip, rubber weather strip, and described rubber weather strip comprises the mounting edge, the first interference edges, the second interference edges that connect.Wherein, the mounting edge of rubber weather strip is covered by press strip and is fixed on motion baffle plate free edge together, and the second interference edges length is less than the first interference edges, and is formed with certain angle of cut therebetween, and all contacts with compound motion face.When compound motion surface seal structure of the present invention can realize moving, friction force and the reasonable distribution of pressure, ensure pneumatic tightness, has that laminating is good, assembling is simple, on-deformable advantage, adapts to deep camber movable parts edge seal.

Description

A kind of compound motion surface seal structure

Technical field

The invention belongs to packing technique, particularly about a kind of hermetically-sealed construction of compound motion face.

Background technology

At the movable parts place of aircraft surfaces, need to realize pneumostop, while not protruding profile, ensure the aeroperformance of aircraft.Such as, some aircraft horizontal stabilizer needs to carry out fine motion trim awing, rectification baffle plate is provided with to block opening during horizontal tail motion at the root of horizontal stabilizer, thus baffle plate needs to move along with the deflection up and down of horizontal stabilizer, gap is there is between baffle plate and vertical fin, air-flow can enter vertical fin by gap, therefore needs to design sealing arrangement between baffle plate and vertical fin, realizes pneumostop requirement while baffle plate can be moved smoothly.And some aircraft baffle plate oad is large, containing deep camber profile, during motion, there is friction with vertical fin, easily make rubber seal tape be out of shape or generation fold, can not fit with vertical fin well.Traditional hermetically-sealed construction such as p-type material, T profile can not meet the good result in above-mentioned situation, is easily out of shape, causes poorly sealed in assembling and use.

Summary of the invention

The object of the invention is: the hermetically-sealed construction that a kind of good sealing effect, on-deformable compound motion face are provided.

Technical scheme of the present invention is: a kind of hermetically-sealed construction of compound motion face, it comprises motion baffle plate, press strip, rubber weather strip, described rubber weather strip comprises the mounting edge, the first interference edges, the second interference edges that connect, wherein, the mounting edge of rubber weather strip is covered by press strip and is fixed on motion baffle plate free edge together, second interference edges length is less than the first interference edges, and forms certain angle of cut therebetween, and all contacts with compound motion face.

Described first interference edges and mounting edge intersection have one for adjusting the depression of amount of interference.

Described first interference edges reduces from root gradually to tip thickness.

The surface that described first interference edges and the second interference edges contact with compound motion face is provided with smoothly anti-sticks up pad pasting.

Described mounting edge root is provided with the boss of orientation movements baffle plate.

Second interference edges end is provided with arc angling.

Described motion baffle plate free edge is provided with the rubber weather strip of some splicings.

Advantage of the present invention is: the hermetically-sealed construction in compound motion face of the present invention uses a kind of rubber sealing profile of " K " tee section, the baffle edge needing motion is installed on by press strip and fastener, realize location is installed by the boss of " K " section bar side, the interference surface of opposite side realizes sealing, the reasonable distribution of friction force and pressure when realizing moving by positioning boss platform and Cross section Design angle, ensure pneumatic tightness, there is simple structure, convenient for production, be easy to install, laminating is good, on-deformable advantage, adapt to the edge seal of deep camber complex moving parts.

Accompanying drawing explanation

Fig. 1 is the front view of compound motion surface seal structure of the present invention;

Fig. 2 is the A-A cutaway view of Fig. 1;

Fig. 3 is the partial enlarged drawing of Fig. 2;

Fig. 4 is the section drawing of rubber weather strip,

Wherein, 1-motion baffle plate, 2-press strip, 3-rubber weather strip, 4-compound motion face, 5-mounting edge, 6-first interference edges, 7-second interference edges, 8-depression, 9-boss, 10-arc angling.

Detailed description of the invention

Below in conjunction with drawings and Examples, the present invention is described further:

Please refer to Fig. 1, Fig. 2, Fig. 3, compound motion surface seal structure of the present invention comprises motion baffle plate, press strip, rubber weather strip.

Refer to Fig. 4, described rubber weather strip comprises the mounting edge, the first interference edges, the second interference edges that connect, wherein, the mounting edge of rubber weather strip is covered by press strip and is fixed on motion baffle plate free edge together, second interference edges length is less than the first interference edges, and be formed with certain angle of cut therebetween, and all contact with compound motion face.

Described first interference edges and mounting edge intersection have one for adjusting the depression of amount of interference.When motion baffle plate is moved along compound motion face, this depression, by finely tuning the amount of interference of first, second interference edges and interfering angle, ensures the smooth and easy and good seal of motion.

Described first interference edges reduces from root gradually to tip thickness.Prevent motion baffle plate first interference edges generation volume when having movement tendency downward in Fig. 4 from sticking up.

The surface that described first interference edges and the second interference edges contact with compound motion face is provided with smoothly anti-sticks up pad pasting, and not only can strengthen and prevent from rolling up the effect of sticking up, its smooth surface also can reduce friction force during compound motion.

Described mounting edge root is provided with the boss of orientation movements baffle plate.Boss not only can be convenient to rubber strip location in installation process, provide support when baffle plate to have in Fig. 4 movement tendency upwards power, rubber strip is made to reach the reasonable distribution of pressure and friction force in along with baffle plate motion process, not yielding, and can contact well with moving contact face at any time.

Second interference edges end is provided with arc angling, ensures, with the smooth contact in moving contact face, to reduce friction.

Described motion baffle plate free edge is provided with the rubber weather strip of some splicings, and Mosaic face can be selected at the position that motion baffle plate profile curvature is comparatively large and shape is more complicated, and rubber strip causes Curvature varying because of distortion, causes assemblage gap.

In sum, the present invention uses the rubber sealing profile of one " K " tee section, covered by press strip, be fixed on the baffle edge needing motion, the positioning boss of " K " section bar side is relied on to realize profile location, first, second interference edges of opposite side realizes sealing, the reasonable distribution of friction force and pressure when realizing moving by boss and Cross section Design angle, when realizing moving by the depression between first, second interference edges, the fine setting of amount of interference and interference angle, ensures the pneumatic tightness of whole motion process.There is simple structure, convenient for production, be easy to installation, good, on-deformable feature of fitting, adapt to the edge seal of deep camber complex moving parts.

Claims (4)

1. a compound motion surface seal structure, comprise motion baffle plate, press strip, rubber weather strip, described rubber weather strip comprises the mounting edge connected, first interference edges, second interference edges, wherein, the mounting edge of rubber weather strip is covered by press strip and is fixed on motion baffle plate free edge together, second interference edges length is less than the first interference edges, and be formed with certain angle of cut therebetween, and all contact with compound motion face, it is characterized in that: described first interference edges and mounting edge intersection have one for adjusting the depression of amount of interference, described first interference edges reduces from root gradually to tip thickness, described second interference edges end is provided with arc angling.
2. compound motion surface seal structure according to claim 1, is characterized in that, the surface that described first interference edges and the second interference edges contact with compound motion face is provided with smoothly anti-sticks up pad pasting.
3. compound motion surface seal structure according to claim 1, is characterized in that, described mounting edge root is provided with the boss of orientation movements baffle plate.
4. compound motion surface seal structure according to claim 1, is characterized in that, described motion baffle plate free edge is provided with the rubber weather strip of some splicings.
CN201310619240.5A 2013-11-27 2013-11-27 A kind of compound motion surface seal structure CN103625636B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310619240.5A CN103625636B (en) 2013-11-27 2013-11-27 A kind of compound motion surface seal structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310619240.5A CN103625636B (en) 2013-11-27 2013-11-27 A kind of compound motion surface seal structure

Publications (2)

Publication Number Publication Date
CN103625636A CN103625636A (en) 2014-03-12
CN103625636B true CN103625636B (en) 2016-03-30

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Application Number Title Priority Date Filing Date
CN201310619240.5A CN103625636B (en) 2013-11-27 2013-11-27 A kind of compound motion surface seal structure

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105570461B (en) * 2014-10-11 2017-09-26 中国航空工业集团公司西安飞机设计研究所 A kind of aerofoil Follow-up seal structure

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034939A (en) * 1975-11-05 1977-07-12 The Boeing Company Assembly for sealing the mounting opening for a flying horizontal stabilizer on a vertical stabilizer
FR2789144A1 (en) * 1999-02-03 2000-08-04 Joint Francais Aircraft panel seal has internal reinforcing member with projections for joining to panel by fixings
CN102137792A (en) * 2008-09-01 2011-07-27 空中客车操作有限公司 Seal for sealing a gap between a first and a second component of an aircraft flight surface
CN202481304U (en) * 2012-02-14 2012-10-10 西北工业大学 Sealing mechanism on surface of aircraft wing

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2277715B1 (en) * 2004-12-31 2008-05-16 Airbus España, S.L. Reinforced cover for scots in an aerodynamic contour.

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034939A (en) * 1975-11-05 1977-07-12 The Boeing Company Assembly for sealing the mounting opening for a flying horizontal stabilizer on a vertical stabilizer
FR2789144A1 (en) * 1999-02-03 2000-08-04 Joint Francais Aircraft panel seal has internal reinforcing member with projections for joining to panel by fixings
CN102137792A (en) * 2008-09-01 2011-07-27 空中客车操作有限公司 Seal for sealing a gap between a first and a second component of an aircraft flight surface
CN202481304U (en) * 2012-02-14 2012-10-10 西北工业大学 Sealing mechanism on surface of aircraft wing

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