CN216610363U - Improved structure of edge part of airplane windshield glass - Google Patents
Improved structure of edge part of airplane windshield glass Download PDFInfo
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- CN216610363U CN216610363U CN202122650934.8U CN202122650934U CN216610363U CN 216610363 U CN216610363 U CN 216610363U CN 202122650934 U CN202122650934 U CN 202122650934U CN 216610363 U CN216610363 U CN 216610363U
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Abstract
The utility model discloses an improved structure of an edge part of an airplane windshield glass, which comprises: outer inorganic glass; middle inorganic glass; an inner inorganic glass layer; the middle layer protective sleeve is fixed on the edge of the middle layer inorganic glass through adhesive; the inner protective sleeve is fixed on the edge of the inner inorganic glass through adhesive glue; an inner metal bottom ring; an outer metal platen; wherein, the middle layer protective sleeve and the inner layer protective sleeve are penetrated and arranged between the outer metal pressing plate and the inner metal bottom ring through bolts for fixing. According to the utility model, the edge covering materials are uniformly arranged on the outer edges of the middle inorganic glass and the inner inorganic glass, when the edge of the glass is subjected to tension, the edge covering materials and the glass have low bonding force, and can be separated from the edge without damaging the edge of the inorganic glass, so that the risk of glass failure is avoided; also, because this structure is disposed within the interior of the windshield, separation of the edges does not result in the intrusion of external moisture or cause other windshield functions to fail.
Description
Technical Field
The utility model belongs to the technical field of windshield glass, and particularly relates to an improved structure of an edge part of aircraft windshield glass.
Background
The transparent part of the aircraft cockpit is used as a component of an airtight cabin structure, is used for providing a good observation visual field for a pilot in various flight states such as takeoff, landing, cruising and gliding of the aircraft, and protects the pilot from being threatened by other flying objects.
Part aircraft cockpit transparency major structure is the laminated structure of glass and organic film, and the limit adopts the combined material package in order to guarantee with the intensity of organism installation interface. In order to ensure that the windshield is subjected to extreme differential pressure loads and bird strike loads, the organic film generally selected has high adhesion.
In actual use, the following two situations occur:
1) under the influence of temperature difference load, the organic film can shrink;
2) the whole windshield glass is deformed under the influence of pneumatic load or bird impact;
in both cases, the film will increase the tension on the glass edge, and since the organic film has a strong enough adhesive force, this will cause the glass edge to be damaged by pulling, and the damage of the structural layer glass will cause the loss of the whole structural strength of the windscreen, which will affect the safety of the aircraft.
In order to eliminate this risk, it is desirable to improve the structure of the edge of the windscreen so as to reduce the risk of the structural layer glass edge being damaged during use.
SUMMERY OF THE UTILITY MODEL
In view of the above, the technical problem to be solved by the present invention is to provide an improved structure of an edge of an aircraft windshield glass, which is used to avoid the trouble that the edge of the conventional glass is easily damaged, so that the overall structural strength of the windshield glass is lost, and the safety of the aircraft is affected.
In order to solve the technical problem, the utility model discloses an improved structure of an edge part of an airplane windshield glass, which comprises:
outer inorganic glass;
the middle inorganic glass is bonded to the lower side of the outer inorganic glass through an outer organic board layer, and the edge of the middle inorganic glass is wrapped by the middle wrapping;
the inner inorganic glass is bonded to the lower side of the middle inorganic glass through the middle organic board layer, and the edge of the inner inorganic glass is wrapped by the inner wrapping;
the middle layer protective sleeve is fixed on the edge of the middle layer inorganic glass through adhesive glue and is positioned between the outer layer organic plate layer and the middle layer organic plate layer;
the inner protective sleeve is fixed on the edge of the inner inorganic glass through adhesive glue and is positioned on the lower side of the middle organic board layer;
the inner metal bottom ring is fixedly bonded to the lower side of the inner protective sleeve through the inner organic board layer;
the outer metal pressing plate is fixed at the end part of the outer inorganic glass through waterproof glue and covers the outer organic plate layer;
wherein, the middle layer protective sleeve and the inner layer protective sleeve are penetrated and arranged between the outer metal pressing plate and the inner metal bottom ring through bolts for fixation.
According to an embodiment of the present invention, the adhesive sheets are adhered to both surfaces of the outer organic plate layer, the middle organic plate layer, and the inner organic plate layer.
According to an embodiment of the present invention, the thickness of the middle layer covering and the inner layer covering is 1 mm.
According to an embodiment of the present invention, the middle layer covering edge and the inner layer covering edge are selected from aluminum foil paper or polyimide film.
According to an embodiment of the present invention, the width of the outer inorganic glass is smaller than that of the middle inorganic glass.
According to an embodiment of the present invention, the outer inorganic glass, the middle inorganic glass, and the inner inorganic glass are selected from tempered glass.
According to an embodiment of the present invention, a plurality of inorganic glasses are further disposed between the inner inorganic glass and the middle inorganic glass.
Compared with the prior art, the utility model can obtain the following technical effects:
by uniformly arranging the edge-covering materials at the outer edges of the middle inorganic glass and the inner inorganic glass, when the edge of the glass is pulled, the edge-covering materials and the glass have low bonding force, so that the edge of the inorganic glass can be separated from the edge without being damaged, and the risk of glass failure is avoided; also, because this structure is disposed within the interior of the windshield, separation of the edges does not result in the intrusion of external moisture or cause other windshield functions to fail.
Of course, it is not necessary for any one product in which the utility model is practiced to achieve all of the above-described technical effects simultaneously.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not limit the utility model. In the drawings:
FIG. 1 is a schematic view of an improved structure of an edge portion of an aircraft windshield according to an embodiment of the utility model.
Reference numerals
The inorganic glass of outer inorganic glass 10, middle level inorganic glass 11, inlayer inorganic glass 12, outer organic sheet layer 20, middle level organic sheet layer 21, inlayer organic sheet layer 22, middle level bordure 30, the inlayer is bordured 31, middle level protective sheath 40, inlayer protective sheath 50, interior metal backing ring 60, outer metal pressing plate 70, waterproof glue 80, bolt hole 90.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings and examples, so that how to implement the technical means for solving the technical problems and achieving the technical effects of the present invention can be fully understood and implemented.
Referring to fig. 1, fig. 1 is a schematic view of an improved structure of an edge portion of an aircraft windshield according to an embodiment of the utility model.
As shown in the figures, an improved structure of an edge of an aircraft windshield glass comprises: outer inorganic glass 10; the middle inorganic glass 11 is bonded to the lower side of the outer inorganic glass 10 through an outer organic board layer 20, and the edge of the middle inorganic glass 11 is wrapped by a middle wrapping 30; the inner inorganic glass 12 is bonded to the lower side of the middle inorganic glass 11 through a middle organic board layer 21, and the edge of the inner inorganic glass 12 is coated with an inner layer edge 31; the middle-layer protective sleeve 40 is fixed on the edge of the middle-layer inorganic glass 11 through adhesive glue, and is positioned between the outer organic board layer 20 and the middle organic board layer 21; the inner protective sleeve 50 is fixed on the edge of the inner inorganic glass 12 through adhesive glue and is positioned on the lower side of the middle organic board layer 21; the inner metal bottom ring 60 is fixedly bonded to the lower side of the inner protective sleeve 50 through the inner organic board layer 22; the outer metal pressing plate 70 is fixed at the end part of the outer inorganic glass 10 through waterproof glue 80, and covers the outer organic plate layer 20 in a pressing manner; the middle protective sleeve 40 and the inner protective sleeve 50 are inserted through the bolt holes 90 between the outer metal pressure plate 70 and the inner metal bottom ring 60 for fixation.
In an embodiment of the present invention, the outer inorganic glass 10, the middle inorganic glass 11, and the inner inorganic glass 12 form a glass body, and the outer organic sheet layer 20 and the middle organic sheet layer 21, which are mutually overlapped, are matched to complete mutual lamination, thereby realizing the formation of the aircraft windshield glass body.
Specifically, the outer inorganic glass 10 is located at the outermost layer of the aircraft windshield, completing the primary protection of the outer windshield. The edges of the inner middle inorganic glass 11 and the inner inorganic glass 12 are respectively coated with a middle layer wrapping 30 and an inner layer wrapping 31 which are formed by wrapping materials, the bonding force with the glass is very low, and the edges can be separated from the edges under the condition that the edges of the inorganic glass are not damaged, so that the problem that the edges of the windshield glass are invalid is solved.
In addition, the inner metal bottom ring 60 and the outer metal pressing plate 70 are correspondingly arranged on the front and rear edges of the windshield to form a frame type cover. Wherein, the inside metal backing ring 60 bonds through one deck inlayer organic board layer 22 and fixes to the limit portion of inlayer inorganic glass 12, and outer metal pressing plate 70 is then sealed the bonding through waterproof glue 80 and is fixed to the tip edge of outer organic glass 10 and outer organic board layer 20, both cooperations, accomplish windshield's frame shaping, middle level protective sheath 40 and inlayer protective sheath 50 correspond middle level inorganic glass 11 and inlayer inorganic glass 12 simultaneously, provide intermediate junction's buffering, pass bolt hole 90 through the bolt and accomplish holistic design finally.
The adhesive sheets are adhered to the two surfaces of the outer organic plate layer 20, the middle organic plate layer 21 and the inner organic plate layer 22, so that the glass is convenient to compound.
It should be understood that, the transparent member of the aircraft cockpit bears the temperature pressure difference load, the pneumatic load, the cabin pressure load, the impact load and the like in the service process, under the action of these loads, the organic film between the middle inorganic glass 11 and the middle protective sleeve 40 and between the inner inorganic glass 12 and the inner protective sleeve 50 will shrink or stretch, if the tensile force generated to the edge of the inorganic glass under this condition is greater than the edge strength of the inorganic glass, the edge will be damaged, and further the whole inorganic glass will be damaged and failed. The edge covering materials of the middle layer edge covering 30 and the inner layer edge covering 31 are uniformly arranged at the outer edges of the middle layer inorganic glass 11 and the inner layer inorganic glass 12, when the edge of the glass is pulled, the edge covering materials and the glass have low bonding force, and can be separated from the edge without damaging the edge of the inorganic glass, so that the failure mode is avoided; also, because this structure is disposed within the interior of the windshield, separation of the edges does not result in the intrusion of external moisture or cause other windshield functions to fail.
In conclusion, the improved structure of the edge of the windshield glass of the airplane can avoid the condition that the film is influenced by the use environment to damage the edge of the inorganic glass in the use process of the transparent part of the cockpit by the action of the edge covering materials of the middle edge covering 30 and the inner layer edge covering 31, and reduce the risk of the failure of the structural layer glass of the windshield.
In a preferred embodiment, the thickness of the middle layer covering 30 and the inner layer covering 31 is 1mm, but in other embodiments, the thickness may not be limited to 1mm according to actual needs. Light and thin material meeting the requirement of aviation products. Further, the middle layer wrapping 30 and the inner layer wrapping 31 are made of aluminum foil paper or polyimide films, the adhesive force of the middle layer wrapping 30 and the inner layer wrapping 31 is far lower than the damage strength of the glass edge, filling is convenient, the glass edge is protected, and failure risks are avoided. In other embodiments, other non-metallic materials may be selected, and the utility model is not limited thereto.
In addition, the outer edges of the outer inorganic glass 10 and the middle inorganic glass 11 are step-shaped, and the width of the outer inorganic glass 10 is smaller than that of the middle inorganic glass 11, so that the specification requirement of the wind shield glass of the fan is met.
The outer inorganic glass 10, the middle inorganic glass 11, and the inner inorganic glass 12 are selected from tempered glass, and have high strength as a whole.
Multiple layers of inorganic glass can be arranged between the inner inorganic glass 12 and the middle inorganic glass 11, and the specific size and thickness can be adjusted correspondingly according to actual conditions.
While the foregoing description shows and describes several preferred embodiments of the utility model, it is to be understood, as noted above, that the utility model 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. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (7)
1. An improved structure for an edge portion of an aircraft windshield, comprising:
outer inorganic glass;
the middle inorganic glass is bonded to the lower side of the outer inorganic glass through an outer organic board layer, and the edge of the middle inorganic glass is wrapped by a middle wrapping;
the inner inorganic glass is bonded to the lower side of the middle inorganic glass through a middle organic board layer, and the edge of the inner inorganic glass is wrapped by an inner layer wrapping;
the middle-layer protective sleeve is fixed on the edge of the middle-layer inorganic glass through adhesive glue and is positioned between the outer organic plate layer and the middle organic plate layer;
the inner protective sleeve is fixed on the edge of the inner inorganic glass layer through adhesive glue and is positioned on the lower side of the middle organic board layer;
the inner metal bottom ring is fixedly bonded to the lower side of the inner protective sleeve through an inner organic board layer;
the outer metal pressing plate is fixed at the end part of the outer inorganic glass layer through waterproof glue and covers the outer organic plate layer in a pressing mode;
the outer metal pressing plate and the inner metal bottom ring are fixed through the middle protective sleeve and the inner protective sleeve in a penetrating mode through bolts.
2. An aircraft windshield edge modification as in claim 1 wherein said outer organic sheet layer, said middle organic sheet layer, and said inner organic sheet layer are each adhesively bonded on both sides with a film.
3. An aircraft windshield edge modification as claimed in claim 1, wherein said middle and inner overclad thicknesses are 1 mm.
4. An aircraft windshield edge modification as claimed in claim 3, wherein said middle and inner layer hems are selected from aluminum foil paper or polyimide film.
5. An improved edge portion structure for an aircraft windshield glass as claimed in claim 1, wherein the width of the outer layer inorganic glass is stepped from the outer edge of the middle layer inorganic glass, and the width of the outer layer inorganic glass is smaller than that of the middle layer inorganic glass.
6. An aircraft windshield edge modification as claimed in claim 1, wherein the outer inorganic glass, the middle inorganic glass, and the inner inorganic glass are selected from tempered glass.
7. An improved structure for an edge portion of an aircraft windshield glass as claimed in claim 1, wherein a plurality of layers of inorganic glass are further disposed between the inner inorganic glass and the middle inorganic glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122650934.8U CN216610363U (en) | 2021-11-01 | 2021-11-01 | Improved structure of edge part of airplane windshield glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122650934.8U CN216610363U (en) | 2021-11-01 | 2021-11-01 | Improved structure of edge part of airplane windshield glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216610363U true CN216610363U (en) | 2022-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122650934.8U Active CN216610363U (en) | 2021-11-01 | 2021-11-01 | Improved structure of edge part of airplane windshield glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216610363U (en) |
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2021
- 2021-11-01 CN CN202122650934.8U patent/CN216610363U/en active Active
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