CN217969891U - Improved generation helicopter cabin glass limit portion structure - Google Patents
Improved generation helicopter cabin glass limit portion structure Download PDFInfo
- Publication number
- CN217969891U CN217969891U CN202222485153.2U CN202222485153U CN217969891U CN 217969891 U CN217969891 U CN 217969891U CN 202222485153 U CN202222485153 U CN 202222485153U CN 217969891 U CN217969891 U CN 217969891U
- Authority
- CN
- China
- Prior art keywords
- glass
- edge part
- locking
- improved
- side part
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Securing Of Glass Panes Or The Like (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
The utility model discloses an improved generation helicopter passenger cabin glass limit portion structure, include: a glass laminate; the outer layer frame comprises an upper pressing edge part and an upper locking edge part; the inner layer frame comprises a lower pressing edge part and a lower locking edge part; the bushing is arranged on the outer layer frame and the inner layer frame in a penetrating mode, is positioned on the upper locking side part and the lower locking side part, and locks the upper locking side part and the lower locking side part to a window frame of the helicopter cabin through fastening bolts; wherein, lower locking limit portion is provided with a plurality of hemisphere archs, and hemisphere arch is contradicted with last locking limit portion each other. The utility model discloses a protruding primary function of hemisphere is for when not influencing the bonding area between the inside and outside frame, promotes the holistic rigidity and the intensity of passenger cabin glass limit portion, makes to change into the rigid connection by original flexible coupling between the inside and outside frame, avoids when bolt locking because the compression of bonding glue and excessive locking force that causes descend, easily realizes and simple structure, has the commonality.
Description
Technical Field
The utility model belongs to the technical field of aircraft glass, specifically speaking relates to an improved generation helicopter passenger cabin glass limit portion structure.
Background
With the rapid development of national defense helicopter equipment in China, various functional performances of helicopters are more and more abundant. Original helicopter cockpit glass structure is comparatively simple, for individual layer organic glass, uses the adhesive direct mount on the fuselage window frame, and the installation is comparatively simple, but has the problem that the later maintenance changes the difficulty, needs the cost longer. Along with the progress of technique, helicopter passenger cabin glass develops the defogging function of preventing icing, and passenger cabin glass major structure is glass laminated structure, uses the bonding glue to bond with interior outer frame, and system hole on the frame realizes through the bolt with the installation of fuselage window frame that the dismouting is comparatively convenient. This structure also has certain problem, because the reason of structure, has the bonding glue of certain thickness between the interior outer frame, and the general material of bonding glue is softer relatively, uses the bolt installation back, has certain compression and excessive, can cause the locking force of bolt to take place the decline of certain degree, also can influence pleasing to the eye in addition.
At present, no good solution is provided for the above situations in China, so that an improved helicopter cabin glass edge structure is urgently needed to be developed for solving the problem that the locking force is reduced after cabin glass is installed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims to solve the technical problem that an improved generation helicopter passenger cabin glass limit portion structure is provided, through set up the protruding cooperation bonding glue direct conflict outer frame of hemisphere on the inlayer frame, realize the hard joint, avoid when bolt locking because the compression of bonding glue and the excessive problem that causes the locking force to descend.
In order to solve the technical problem, the utility model discloses an improved generation helicopter passenger cabin glass limit portion structure, include:
a glass laminate;
the outer layer frame comprises an upper pressing edge part and an upper locking edge part;
the inner layer frame comprises a lower pressing edge part and a lower locking edge part, wherein the upper pressing edge part and the lower pressing edge part are respectively pressed on the upper surface and the lower surface of the glass laminated piece and are bonded through bonding glue;
the bushing is arranged on the outer layer frame and the inner layer frame in a penetrating mode, positioned on the upper locking side part and the lower locking side part and used for locking the upper locking side part and the lower locking side part to a window frame of the helicopter cabin through fastening bolts;
wherein, lower locking limit portion is provided with a plurality of hemisphere archs, and hemisphere arch is contradicted each other with last locking limit portion.
According to an embodiment of the present invention, the upper locking edge is formed to protrude from a plane of the upper pressing edge.
According to the utility model discloses an embodiment, wherein above-mentioned glass laminate's tip cladding elastic adhesive membrane, the bonding glue is filled between elastic adhesive membrane and outer frame and the inlayer frame.
According to the present invention, the elastic adhesive film is a polytetrafluoroethylene film with a thickness of 0.5mm.
According to an embodiment of the present invention, the diameter of the hemispherical protrusion is 4-6mm, and the height of the hemispherical protrusion is 2mm.
According to the utility model discloses an embodiment, wherein the protruding top of above-mentioned hemisphere sets up to interior notch ring portion, and the depth of depression is 0.6mm.
According to an embodiment of the present invention, the glass laminate includes inner and outer sheets of glass and a functional film layer between the inner and outer sheets of glass.
According to the utility model discloses an embodiment, wherein above-mentioned function rete sets up to electrical heating rete or electromagnetic shield rete.
Compared with the prior art, the utility model discloses can obtain including following technological effect:
the protruding primary role of hemisphere is for when not influencing the bonding area between the interior frame, promotes the holistic rigidity and the intensity of cabin glass limit portion, makes between the interior frame and the exterior frame change hard joint (hemisphere arch and outer frame bonding surface direct contact) into by original flexible coupling (sticky), avoids causing the locking force to descend because the compression and the excessive of bonding glue when the bolt locking.
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 structural view of an improved cabin glass edge of a helicopter according to an embodiment of the present invention.
Reference numerals
The glass laminate 10, the upper bead 21, the upper bead 22, the lower bead 31, the lower bead 32, the adhesive 40, the bush 50, the fastening bolt 60, the hemispherical protrusion 70, and the window frame 80.
Detailed Description
The following detailed description will be made 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, fig. 1 is a schematic structural diagram of an improved cabin glass edge of a helicopter according to an embodiment of the present invention.
As shown in fig. 1, an improved cockpit glass edge structure for a helicopter comprises: a glass laminate 10; the outer layer frame comprises an upper pressing edge part 21 and an upper locking edge part 22; an inner layer frame, which comprises a lower pressure edge part 31 and a lower locking edge part 32, wherein the upper pressure edge part 21 and the lower pressure edge part 31 are respectively pressed on the upper surface and the lower surface of the glass laminated piece 10 and are bonded by adhesive glue 40, the upper locking edge part 22 and the lower locking edge part 32 are respectively positioned at the periphery of the end part of the glass laminated piece 10, are bonded with the end part of the glass laminated piece 10 by the adhesive glue 40 and are bonded with each other by the adhesive glue 40; the bushing 50 is arranged on the outer layer frame and the inner layer frame in a penetrating mode, is positioned on the upper locking side part 22 and the lower locking side part 32, and locks the upper locking side part 22 and the lower locking side part 32 to a window frame 80 of the helicopter cabin through fastening bolts 60; the lower locking side portion 32 is provided with a plurality of hemispherical protrusions 70, and the hemispherical protrusions 70 are abutted against the upper locking side portion 22.
In an embodiment of the present invention, the glass laminate 10 is a glass body for a cockpit, and the edge portion thereof is bonded by the adhesive 40 to fix the outer frame and the inner frame, and is combined into a whole by the fastening bolt 60, and finally the mounting window frame 80 fixed to the glass of the cockpit is opened by the fastening bolt 60, thereby completing the assembly.
Specifically, the outer layer frame includes an upper crimping portion 21 and an upper locking portion 22, and correspondingly, the inner layer frame includes a lower crimping portion 31 and a lower locking portion 32. The upper pressure edge part 21 and the lower pressure edge part 32 are matched with the adhesive 40 to be adhered and fixed on the upper edge and the lower edge of the glass laminated layer 10 to complete pressing, the upper locking edge part 22 and the lower locking edge part 32 are arranged in a protruding mode to guarantee enough frame thickness, then the upper locking edge part 22 and the lower locking edge part 32 are adhered by the adhesive 40 and arranged on the periphery of the end part of the glass laminated layer 10, and the outer frame and the inner frame are combined. Meanwhile, a plurality of through holes are formed in the upper and lower locking side portions 22 and 32 for installing the bushings 50 to facilitate installation of the fastening bolts 60.
It is worth mentioning that the lower locking edge portion 32 is also provided with a plurality of hemispherical protrusions 70 on its surface, which are offset from the bushing 50, the distribution density being determined according to its height and the width of the frame. The protruding 70 main functions of hemisphere are for when not influencing the bonding area between the interior frame, promote holistic rigidity and the intensity of cabin glass limit portion, make between the interior frame and the exterior frame change into hard link (protruding 70 of hemisphere and outer frame bonding surface direct contact) by original flexible coupling (sticky), avoid because the compression of bonding glue and excessive locking force decline that causes when fastening bolt 60 locks, easily realize and simple structure, have the commonality.
The utility model discloses an upper locking limit portion 22 sets up to protruding in the plane of upper pressure limit portion 21, and the convenience is aligned parallelly, and reinforcing location nature avoids producing the deviation after bonding, appears the space, influences stability.
The end of the glass laminate 10 is wrapped with an elastic adhesive film, and the adhesive 40 is filled between the elastic adhesive film and the outer layer frame and between the elastic adhesive film and the inner layer frame. The elastic adhesive film has the advantages of protecting the edge of the glass, reducing the stress borne by the edge of the glass, reducing the action of factors such as pressurization, environmental temperature change, body vibration, engine vibration, air flow and the like in an aircraft cabin on the edge of the glass, and enhancing the sealing and pressure-bearing performance.
Preferably, the elastic adhesive film is a polytetrafluoroethylene film, the thickness of the elastic adhesive film is 0.5mm, and the elastic adhesive film is good in durability and strong in applicability.
The diameter of the hemispherical bulge 70 of the utility model is 4-6mm, the height of the bulge is 2mm, the arrangement can be densely distributed, and the distribution density is determined according to the height and the width of the frame.
Further, the top of the hemispherical protrusion 70 is provided with an inward concave ring part, so that the original point contact can be changed into ring contact, the contact area can be increased, and the hard connection effect can be further enhanced. Preferably, the recess depth is 0.6mm.
Additionally, in one embodiment, the glass laminate 10 includes inner and outer layers of glass and a functional film layer positioned between the inner and outer layers of glass for improving the functionality of the glass laminate 10. Further, the functional film layer is provided as an electrical heating film layer or an electromagnetic shielding film layer, which can provide an electrical heating effect or an electromagnetic shielding effect, and enhance the safety and reliability of the glass laminate 10.
To sum up, the utility model discloses a protruding primary function of hemisphere is when not influencing the bonding area between the inside and outside frame, promotes the holistic rigidity and the intensity of passenger cabin glass limit portion, makes and changes hard connection (hemisphere arch and outside frame bonding surface direct contact) into by original flexible coupling (sticky) between the inside and outside frame, avoids when bolt locking because the compression of bonding glue and excessive locking force that causes descend, easily realizes and simple structure, has the commonality.
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. An improved generation helicopter cabin glass limit structure which characterized in that includes:
a glass laminate;
the outer layer frame comprises an upper pressing edge part and an upper locking edge part;
the inner layer frame comprises a lower pressure edge part and a lower locking edge part, wherein the upper pressure edge part and the lower pressure edge part are respectively pressed on the upper surface and the lower surface of the glass laminated piece and are bonded through bonding glue;
the bushing is arranged on the outer layer frame and the inner layer frame in a penetrating mode, is positioned on the upper locking side part and the lower locking side part, and locks the upper locking side part and the lower locking side part to a window frame of a helicopter cabin through fastening bolts;
the lower locking edge part is provided with a plurality of hemispherical bulges, and the hemispherical bulges are mutually abutted to the upper locking edge part.
2. An improved helicopter cabin glass edging structure as claimed in claim 1, wherein said upper locking bead is configured to be raised above the plane of said upper bead.
3. The improved cockpit glass edge structure of claim 1 wherein the ends of the glass laminate are wrapped with an elastomeric film, and the adhesive is filled between the elastomeric film and the outer and inner borders.
4. The improved cockpit glass edge structure of claim 3 wherein said elastomeric film is a PTFE film having a thickness of 0.5mm.
5. The improved cockpit glass edge structure of claim 1 wherein said hemispherical protrusions have a diameter of 4-6mm and a protrusion height of 2mm.
6. The improved cockpit glass edging of claim 5, wherein said hemispherical convex apex is configured as a concave ring with a depth of 0.6mm.
7. The improved helicopter cabin glass edge structure of claim 1 wherein said glass laminate includes inner and outer layers of glass and a functional film layer positioned between the inner and outer layers of glass.
8. An improved helicopter cabin glass edging structure according to claim 7, wherein said functional film layer is provided as an electrically heated film layer or an electromagnetically shielding film layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222485153.2U CN217969891U (en) | 2022-09-19 | 2022-09-19 | Improved generation helicopter cabin glass limit portion structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222485153.2U CN217969891U (en) | 2022-09-19 | 2022-09-19 | Improved generation helicopter cabin glass limit portion structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217969891U true CN217969891U (en) | 2022-12-06 |
Family
ID=84263707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222485153.2U Active CN217969891U (en) | 2022-09-19 | 2022-09-19 | Improved generation helicopter cabin glass limit portion structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217969891U (en) |
-
2022
- 2022-09-19 CN CN202222485153.2U patent/CN217969891U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0376190B1 (en) | Aircraft windshield | |
| US9764850B2 (en) | Edge seal for fibre-reinforced composite structure | |
| US8371531B2 (en) | Aircraft cabin window assembly method | |
| JPH01204895A (en) | Transparent visible sensing device and method of reducing deformation of said device | |
| CN1968851A (en) | Load bearing window | |
| JP6312324B2 (en) | Windshield glass assembly | |
| US2696451A (en) | Plastic edge attachment | |
| US10906627B2 (en) | Electrostatic discharge noise suppression by conduction between a stepped metal element and the pane retainer | |
| CN217969891U (en) | Improved generation helicopter cabin glass limit portion structure | |
| JP2009523097A (en) | Aircraft wings composed of composite and metal panels | |
| CN117015501A (en) | Multiple glazing unit with mounting gasket incorporating reinforcing and sealing elements | |
| US12030298B2 (en) | Laminated glazing comprising a peripheral stepped element made of polymer material having a required maximum permeability to water vapor | |
| CN109896030B (en) | Unmanned aerial vehicle gasbag flap and have its unmanned aerial vehicle | |
| CN214111774U (en) | Aircraft windshield | |
| US20240034031A1 (en) | Laminated glazing with several panels, of which a region for positioning adjacent panels next to one another is reinforced by inserting a structuring element | |
| CN211766242U (en) | Light transparent element in the form of a screw connection | |
| CN213472469U (en) | Aircraft windshield | |
| CN205406707U (en) | Aircraft antenna setting support and quick -witted connection structure who carries on back | |
| CN218317261U (en) | Improved self-sealing airplane windshield glass structure | |
| CN216185995U (en) | Novel structural glass and composite material laminated aviation transparent part | |
| CN212766712U (en) | Spherical transparent part for observing aviation aircraft | |
| CN217575587U (en) | Transparent part of aircraft observation window | |
| CN219612099U (en) | Antistatic structure for aircraft glass | |
| CN206031754U (en) | Unmanned aerial vehicle wing | |
| CN111433021A (en) | Aircraft laminated glazing with minimal distortion upon breakage of all its glass sheets |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |