CN217969890U - Bolted aviation transparent part with sealing function - Google Patents
Bolted aviation transparent part with sealing function Download PDFInfo
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- CN217969890U CN217969890U CN202222425637.8U CN202222425637U CN217969890U CN 217969890 U CN217969890 U CN 217969890U CN 202222425637 U CN202222425637 U CN 202222425637U CN 217969890 U CN217969890 U CN 217969890U
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Abstract
The utility model discloses a bolted connection aviation transparency with sealed function, include: outer layer glass; middle layer glass; inner layer glass; a middle layer frame; an inner layer frame; the thin inserting pieces are respectively adhered to the upper side and the lower side of the middle layer frame and the inner layer frame and extend to the edges of the middle layer glass and the outer layer glass; the aluminum pressure ring is arranged on the upper surface of the middle layer frame through waterproof sealant, extends to the end part of the outer layer glass in a surrounding manner, is filled to the edge of the outer surface of the outer layer glass through the waterproof sealant, and is embedded with the Z-shaped pressing plate; the aluminum bottom plate is bonded to the inner layer frame through sealant; and the sealing gasket is adhered to the aluminum bottom plate and is used for being pressed on the installation surface of the windshield glass. The utility model discloses when guaranteeing aircraft glass intensity, the structure is frivolous, and the installation is dismantled conveniently, can realize the watertight function, prevents the infiltration of extravehicular steam, avoids the trouble that the aviation transparency was sealed in the past, stability, installation convenience are relatively poor then.
Description
Technical Field
The utility model belongs to the technical field of the aircraft glass, specifically speaking relates to a bolted connection aviation transparency with sealed function.
Background
The current mainstream installation forms of mechanical interfaces of the aviation transparent part and the aircraft cockpit skylight framework mainly include two types, namely, a pressing plate clamping connection and a bolt connection.
Installation form is connected in clamp plate centre gripping: the glass is arranged on a skylight framework of the cab, one side of the outer pressing plate presses the periphery of the glass, and the other side of the outer pressing plate is connected to the framework through bolts. The glass is held between the outer side press plate and the frame of the framework. The edge of the aviation transparent part in the form of connecting and installing the pressing plate is generally in a wrapping structure, the wrapping structure is made of organic elastic materials and is provided with a certain number of sealing teeth, and the sealing function after installation can be realized.
Bolt connection installation form: the glass is installed on a skylight framework of the cab, and a circle of the periphery of the glass is provided with a certain number of bolt holes which are directly connected to the skylight framework through bolts. The mounting surface of the windshield frame is made of hard materials, does not have a compression sealing function, and sealing belt parts need to be bonded to realize sealing.
The windshield glass of above-mentioned two kinds of mounting means often can appear structural layer fracture, the phenomenon that inner structure was corroded to steam in extreme service environment, especially when windshield glass when bearing the weight of the structure, is more easily influenced by temperature difference load and pneumatic load etc. and then takes place the condition such as fracture. In addition, the bolt connection formula windscreen on many models realizes the airtight and the watertight of window frame structure through wet installation at present, and the dismouting is all troublesome.
Therefore, there is an urgent need for a novel connection structure that can realize an airtight and watertight function of an aviation transparent member without affecting the strength of the connection structure itself after installation.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to solve the technical problem that a bolted connection aviation transparency with sealing function is provided, when guaranteeing aviation glass intensity, the structure is frivolous, and the installation is dismantled conveniently, can realize the watertight function, prevents the infiltration of extravehicular steam, avoids the trouble that aviation transparency is sealed in the past, stability, installation convenience are relatively poor then.
In order to solve the technical problem, the utility model discloses a bolted connection aviation transparency with sealed function, include:
outer layer glass;
the middle glass is bonded to the lower side of the outer glass through the outer layer film, the outer glass and the middle glass are in a step shape, and the outer glass is positioned in the center of the middle glass;
the inner layer glass is bonded to the lower side of the middle layer glass through an inner layer rubber sheet;
the middle layer frame is adhered by sealant to enclose the end part of the middle layer glass;
the inner layer frame is adhered by sealant and surrounds the end part of the inner layer glass;
the thin inserting pieces are respectively adhered to the upper side and the lower side of the middle layer frame and the inner layer frame and extend to the edges of the middle layer glass and the outer layer glass;
the aluminum pressure ring is arranged on the upper surface of the middle layer frame through waterproof sealant, extends to the end part of the outer layer glass in a surrounding manner, is filled to the edge of the outer surface of the outer layer glass through the waterproof sealant, and is embedded with the Z-shaped pressing plate;
the aluminum bottom plate is bonded to the inner layer frame through sealant and extends to the edge of the inner layer glass;
the sealing gasket is adhered to the aluminum bottom plate and is used for being pressed on the installation surface of the windshield glass;
the aluminum pressure ring penetrates through the middle layer frame to form a sealing gasket through a fastening bolt and is fastened to the windshield glass mounting surface.
According to an embodiment of the present invention, the thin insertion sheet is set to be an epoxy resin glass fiber reinforced plastic sheet or a carbon fiber sheet with a thickness of 0.8-1.2 mm.
According to an embodiment of the present invention, the extending distance of the thin insertion sheet is at least the lower side of the edge of the outer glass.
According to the utility model discloses an embodiment, wherein above-mentioned Z type clamp plate one end is located outer glass edge upper end, and the other end is located the aluminium clamping ring lower extreme, and is connected to outer glass surface and aluminium clamping ring surface respectively through the conducting resin, and outer glass's surface is plated one deck conducting film, and the overlap joint is even electrically connected with the conducting resin.
According to the utility model discloses an embodiment, wherein above-mentioned sealed upper end that fills up bonds in aluminium bottom plate through the plane, and the lower extreme is provided with inner circle plane portion and outer lane plane portion, and outer lane plane portion is less than inner circle plane portion, and outer lane plane portion is provided with a plurality of through-hole bosss of installation fastening bolt, and the through-hole boss is higher than inner circle plane portion.
According to the utility model discloses an embodiment, wherein through the equal-height triangle boss interconnect between the above-mentioned through-hole boss.
According to the utility model discloses an embodiment, wherein above-mentioned triangle boss sets up 2 to the spaced.
According to the utility model discloses an embodiment, wherein above-mentioned fastening bolt cooperates the bush, and the bush is installed to aluminium bottom plate upper portion by aluminium clamping ring bottom.
Compared with the prior art, the utility model discloses can obtain including following technological effect:
the section of the sealing strip is of a special-shaped structure, the inner ring is of a flat structure with a certain thickness, and the sealing strip can ensure airtightness after being installed and compressed and maintain the pressure difference between the inside and the outside of the aircraft cabin. And the installation has certain intensity after the compression, can guarantee the rigidity of windscreen structure and window frame, guarantees mechanical properties. The outer ring of the sealing belt is designed to be thinner than the inner ring, a circular boss is arranged at each bolt hole, and the sealing belt can be compressed after the bolts are installed, so that the sealing requirements in the bolt holes are met. A triangular sealing boss is further designed around the circle of bolt hole, so that the watertight function can be realized, and water vapor outside the cabin can be prevented from permeating. The sealing strip is arranged on the installation surface of the windshield glass through bonding, and the structure is light and thin, convenient to disassemble and capable of being replaced at any time.
The Z-shaped pressing plate enhances the structural rigidity of the waterproof sealant, improves the sealing waterproof performance, protects the edge part of glass and prevents sand wind from corroding the sealant; and the outer layer glass is grounded to prevent electrostatic influence.
The conducting resin is connected with the outer layer glass, the Z-shaped pressing plate and the aluminum pressing ring, conducted and grounded, and the static influence is prevented.
The thin insertion piece enhances the rigidity of the edge of the transparent part, and meanwhile, the thin insertion piece and the glass can improve the integral bearing capacity of the transparent part through bonding.
Of course, it is not necessary for any product to achieve all of the above-described technical effects simultaneously.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
FIG. 1 is a schematic view of a bolted aerial transparency with sealing capability according to an embodiment of the present invention;
FIG. 2 is a partial perspective view of a gasket according to an embodiment of the present invention;
fig. 3 is a sectional view of a gasket according to an embodiment of the present invention.
Reference numerals
The outer layer glass 11, the middle layer glass 12, the inner layer glass 13, the outer layer rubber sheet 21, the inner layer rubber sheet 22, the middle layer frame 31, the inner layer frame 32, the thin insertion sheet 40, the aluminum pressing ring 50, the waterproof sealant 60, the Z-shaped pressing plate 61, the conductive adhesive 62, the aluminum bottom plate 70, the sealing gasket 80, the inner ring plane part 81, the outer ring plane part 82, the through hole boss 83, the triangular boss 84, the fastening bolt 90 and the windshield glass mounting surface 100.
Detailed Description
The following detailed description will be provided with reference to the accompanying drawings and examples, so that how to implement the technical means of the present invention to solve the technical problems and achieve the technical effects can be fully understood and implemented.
Referring to fig. 1 to 3 together, fig. 1 is a schematic view of a bolted aviation transparent member with a sealing function according to an embodiment of the present invention; FIG. 2 is a partial perspective view of a gasket according to an embodiment of the present invention;
fig. 3 is a sectional view of a gasket according to an embodiment of the present invention.
As shown in fig. 1, a bolted aviation transparent member with sealing function is made of laminated glass, and specifically comprises: an outer layer of glass 11; the middle glass 12, the middle glass 12 is adhered to the underside of the outer glass 11 through the outer layer film 21, and the outer glass 11 and the middle glass 12 are step-shaped, the outer glass 11 is positioned in the center of the middle glass 12; the inner layer glass 13, the inner layer glass 13 is adhered to the lower side of the middle layer glass 12 through an inner layer film 22; three layers of inorganic glass are matched with the middle two layers of organic films to realize bonding, and the high-temperature high-pressure composite forming is adopted, so that the strength is high, the stability is high, and the product reliability is high.
In addition, the glass plate also comprises a middle layer frame 31, wherein the middle layer frame 31 is adhered by sealant to enclose the end part of the middle layer glass 12; the inner layer frame 32 is adhered by sealant, and the end part of the inner layer glass 13 is surrounded by the inner layer frame 32; the two layers of frames are connected by using sealant, and the sealant is filled to the end parts of the middle layer glass 12 and the inner layer glass 13 to complete the framing protection. Thin inserted sheet 30, thin inserted sheet 30 adhere respectively in the upper and lower both sides of middle level frame 31 and inlayer frame 32, and extend to the edge of middle level glass 12 and outer glass 11, play the effect of connecting frame and glass, can strengthen transparency and can limit portion rigidity, and thin inserted sheet 30 and glass can improve the whole bearing capacity of transparency through the bonding simultaneously.
The utility model discloses still include aluminium clamping ring 50, aluminium clamping ring 50 is installed in middle level frame 21 upper surface through waterproof sealant 60, and encloses and establish and extend to outer glass 11 tip, realizes that the outer end frame establishes the protection to fill to outer glass 11's surface edge through waterproof sealant 60, waterproof sealant 60 is selected from waterproof polysulfide glue, avoids steam to invade if. In addition, the Z-shaped pressing plate 61 is embedded in the waterproof sealant 60 and used for enhancing the structural rigidity of the waterproof sealant 60, improving the sealing and waterproof performance, protecting the edge of glass and preventing wind and sand from corroding the sealant.
The utility model discloses still include aluminium bottom plate 70, aluminium bottom plate 70 bonds in inlayer frame 32 through sealed glue, and extends to inlayer glass 13 edge for the inside of transparency supports the protection. The sealing gasket 80 is adhered to the aluminum base plate 70 and is used for being pressed on the windshield glass mounting surface 100, so that the sealing property is further enhanced; the aluminum pressure ring 50 is fastened to the windshield glass mounting surface 100 by the fastening bolt 90 and the gasket 80 passing through the middle layer frame 31. In short, the fastening bolt 90 fastens the respective members to each other and finally fixes the windshield mounting surface 100, completing the assembly, and facilitating the disassembly.
In a preferred embodiment, the thin insertion sheet 30 is configured as a 0.8-1.2mm epoxy resin glass fiber reinforced plastic sheet or a carbon fiber sheet, which enhances the edge rigidity of the transparent member, and the thin insertion sheet 30 is bonded to the glass to improve the overall bearing capacity of the transparent member.
Furthermore, the extending distance of the thin inserting sheet 30 is at least the lower side of the edge of the outer layer glass 11, so that the bonding work with each layer of glass is completed, and the integral bearing capacity of the transparent part is improved.
The utility model discloses a Z type clamp plate 61 one end is located 11 marginal upper ends of outer glass, and the other end is located 50 lower extremes of aluminium compression ring, becomes the zigzag, and reinforcing waterproof sealant 70 structural rigidity improves sealed waterproof performance, and protection glass limit portion prevents that sand blown by the wind from eroding sealed glue. And be connected to outer glass 11 surface and aluminium clamping ring 50 surface respectively through conducting resin 62, the surface of outer glass 11 plates a layer of conducting film, and the conducting film is with the electrically connected overlap joint of conducting resin 62 to be connected to switch on ground with outer glass 11 and Z type clamp plate 61 and aluminium clamping ring 50, prevent the static influence.
With continued reference to fig. 2 and 3, the upper end of the sealing pad 80 is bonded to the aluminum base plate 70 through a plane, which facilitates the stability of bonding and fixing. The lower extreme is provided with inner circle plane portion 81 and outer lane plane portion 82, and outer lane plane portion 82 is less than inner circle plane portion 81, ends by inner circle plane portion 81 tentatively to support, realizes hugging closely sealed, prevents that steam from invading. And the outer ring plane part 82 is provided with a plurality of through hole bosses 83 for mounting the fastening bolts 90, so that the fastening bolts 90 are assembled, and the through hole bosses 83 are higher than the inner ring plane part 81, so that the through hole bosses can be further extruded, and the sealing property is enhanced.
In a preferred embodiment, the through hole bosses 83 are connected to each other by triangular bosses 84 having the same height. The utility model discloses a sealing strip 80 cross-section is the odd-shaped structure, and the inner circle can guarantee after the installation compression airtight for the flat structure that has certain thickness, maintains the aircraft cabin in with the pressure differential outside the cabin. And the installation has certain intensity after the compression, can guarantee the rigidity of windscreen structure and window frame, guarantees mechanical properties. The outer ring of the sealing belt 80 is designed to be thinner than the inner ring, and a through hole boss 83 is arranged at each bolt hole, so that the sealing belt can be compressed after the bolt is installed, and the sealing requirement in the bolt hole is ensured. A triangular boss 84 in a triangular shape is further designed around the circle of bolt hole, so that the watertight function can be realized, and water vapor outside the cabin can be prevented from permeating. The sealing tape 80 is attached to the windshield mounting surface 100 by bonding, and is light and thin in structure, convenient to detach, and capable of being replaced at any time.
Furthermore, the triangular bosses 84 are arranged at intervals of 2, so that double-stage sealing is realized, and the sealing performance is better.
In addition, fastening bolt 90 cooperates with the bush, and the bush is installed to aluminium bottom plate 60 upper portion by aluminium clamping ring 50 bottom, and easy to assemble, the application is strong.
To sum up, the utility model discloses when guaranteeing aircraft glass intensity, the structure is frivolous, and the convenience is dismantled in the installation, can realize the watertight function, prevents the infiltration of extravehicular steam, avoids the relatively poor trouble of aviation transparency sealing, stability, installation convenience in the past then.
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (8)
1. A bolted airborne transparency with sealing capabilities, comprising:
outer layer glass;
the middle glass is bonded to the lower side of the outer glass through an outer rubber sheet, the outer glass and the middle glass form a step shape, and the outer glass is positioned in the center of the middle glass;
the inner layer glass is bonded to the lower side of the middle layer glass through an inner layer film;
the middle layer frame is adhered by sealant to surround the end part of the middle layer glass;
the inner layer frame is adhered by sealant and surrounds the end part of the inner layer glass;
the thin insertion pieces are respectively adhered to the upper side and the lower side of the middle layer frame and the inner layer frame and extend to the edges of the middle layer glass and the outer layer glass;
the aluminum pressure ring is arranged on the upper surface of the middle layer frame through waterproof sealant, extends to the end part of the outer layer glass in a surrounding mode, is filled to the edge of the outer surface of the outer layer glass through the waterproof sealant, and is embedded with a Z-shaped pressing plate;
the aluminum bottom plate is bonded to the inner layer frame through sealant and extends to the edge of the inner layer glass;
the sealing gasket is adhered to the aluminum base plate and is used for pressing and covering the windshield glass mounting surface;
the aluminum pressure ring penetrates through the middle layer frame through a fastening bolt to penetrate out of the sealing gasket and is fastened to the windshield glass mounting surface.
2. The bolted aerospace transparency with sealing function as in claim 1, wherein the shims are provided as 0.8-1.2mm epoxy fiberglass sheets or carbon fiber sheets.
3. The bolted aerospace transparency with sealing function of claim 2, wherein said tuck-in tab extends at least the underside of the edge of said outer ply of glass.
4. The bolted aviation transparent part with the sealing function as claimed in claim 1, wherein one end of the Z-shaped pressing plate is located at the upper end of the edge of the outer glass, the other end of the Z-shaped pressing plate is located at the lower end of the aluminum pressing ring and is respectively connected to the surface of the outer glass and the surface of the aluminum pressing ring through conductive adhesive, and a conductive film is plated on the outer surface of the outer glass and is in electrical connection and lap joint with the conductive adhesive.
5. The bolted aerial transparency with sealing function as claimed in claim 1, wherein the gasket has an upper end bonded to the aluminum base plate by a flat surface and a lower end provided with an inner ring planar portion and an outer ring planar portion, the outer ring planar portion being lower than the inner ring planar portion and the outer ring planar portion being provided with a plurality of through-hole bosses for mounting the fastening bolts, the through-hole bosses being higher than the inner ring planar portion.
6. The bolted aerospace transparency with sealing function as claimed in claim 5, wherein the through hole bosses are connected to each other by triangular bosses of equal height.
7. The bolted aerospace transparency with sealing capability as recited in claim 6, wherein said triangular bosses are provided in 2 spaced apart relationship.
8. The bolted aerospace transparency with sealing function of claim 1, wherein said fastening bolts are fitted with bushings mounted from the bottom of said aluminum press ring to the top of said aluminum base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222425637.8U CN217969890U (en) | 2022-09-13 | 2022-09-13 | Bolted aviation transparent part with sealing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222425637.8U CN217969890U (en) | 2022-09-13 | 2022-09-13 | Bolted aviation transparent part with sealing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217969890U true CN217969890U (en) | 2022-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222425637.8U Active CN217969890U (en) | 2022-09-13 | 2022-09-13 | Bolted aviation transparent part with sealing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217969890U (en) |
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2022
- 2022-09-13 CN CN202222425637.8U patent/CN217969890U/en active Active
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