JP2000343939A - Window construction for vehicle and fitting construction of window for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To insure sufficient fitting strength and durability in the window construction of a vehicle running at high speed by fixing the projecting outer edge part of one transparent plate to a supporting part in a double layer window interposing an air layer, and making the outermost face of the other transparent plate flush with the post part outer face of a vehicle. SOLUTION: A double layer window is formed out of a thermally reinforced glass plate 11 arranged inside the vehicle and a laminated glass plate arranged outside the vehicle, and a spacer 14 is arranged therebetween to interpose an air layer 15. The laminated glass is formed by laminating a glass plate 121 arranged inside and a glass plate 122 arranged outside. The dimension in the horizontal direction of the thermally reinforced glass plate 11 is set to be longer than the laminated glass plate, and projecting parts are provided on the side parts on both sides of the thermally reinforced glass plate. Further to the post parts 21 on both sides of the window opening part of the vehicle supporting parts 22 are formed projecting in the direction of the center of the opening, and after pressing the double layer window against here by presser plates 2 through cushioning material 7, the window is screw fastened by bolts 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a vehicle window structure and a mounting structure thereof. In particular, the present invention relates to a vehicle window structure suitable for a high-speed vehicle capable of traveling at a high speed of 200 km / h or more, and a window mounting structure that can be mounted / removed from the outside of the vehicle.

[0002]

2. Description of the Related Art In a vehicle running at a high speed, it is necessary to reduce a step on an outer surface as much as possible in order to reduce noise due to wind noise and air resistance. In particular, it is important to reduce the steps on the outer surface of the vehicle along the traveling direction.

[0003] Further, in a vehicle running at high speed, it is also important to attach the window structure to the wind pressure generated by the high speed running and to have durability. Especially when entering the tunnel
There are large fluctuations in wind pressure during escape. The vehicle window structure is required to have mounting strength and durability that can withstand large pressure fluctuations. Especially like the Shinkansen,
In a railway car that can run at a high speed of about 00 km / h,
The demand is remarkable.

Therefore, Japanese Patent Laid-Open Publication No. 7-232640 discloses that in a window structure for a railway vehicle, the outer surface of the window glass is made flush with the outer surface of the railway vehicle structure.
That is, the laminated glass or the multi-layer glass is attached to the vehicle body using the window edge material, and the outer surface of the glass and the pillar portion of the structure are made the same surface. Also in this case, the glass can be mounted from outside the vehicle.

[0005] Japanese Patent Application Laid-Open No. 6-255483 also discloses that in a window structure for a railway vehicle, the outer surface of the window glass is made flush with the outer surface of the railway vehicle structure. That is, this is a smooth window device in which the outer surface of the window glass is made the same as the outer surface of the railway vehicle structure by the annular groove formed in the window opening of the vehicle and fitted with the window glass, and the overhanging window glass (FIG. 8). And Fig. 9 (the reference numerals have been renumbered). Also in this case, the glass can be attached from the outside of the vehicle.

The specific structure of the above-mentioned Japanese Patent Application Laid-Open No. 6-255483 is as follows. That is, as shown in FIG.
A double glazing 10 is used in which a front glass (outside glass) 12 and a back glass (inside glass) 11 are joined by a sealing material (also serving as a spacer) 18, which is directly applied to a window opening of an outer plate 25 of a vehicle 20. They are fitted. For this fitting, a frame 26 is attached to the back of the opening edge of the window opening by welding or the like, so that an annular groove 27 having an opening on the inner periphery for receiving and fixing the multilayer glass 10 is provided.
Is formed along the window opening. The annular groove 27 is formed by the outer plate 25 of the vehicle 20 and the frame 26. As shown in the longitudinal sectional view of FIG.
It is fixed using various packing materials 29.

As is apparent from FIG. 9, in the window device disclosed in the above-mentioned Japanese Patent Application Laid-Open No. 6-255483, the left and right sides are fixed by the sealing material 19 and the annular groove 27 is formed.
It is not configured to catch on.

On the other hand, Japanese Patent Application Laid-Open No. 9-164948 discloses a window structure for a railway vehicle capable of mechanically fixing a window glass. That is, the laminated glass 10 using the laminated glass and the single tempered glass is transferred to the vehicle structure 24.
Is inserted into another glass frame 101, and the glass frame 10
1 is fixed to the vehicle structure 24 with bolts 3. Further, the outer surface of the glass outside the double-glazed glass is provided on the same plane as the outer surface of the vehicle (see FIG. 10; the reference numerals are re-numbered). In this case, the glass is attached from the inside of the vehicle.

The specific configuration of the above-mentioned Japanese Patent Application Laid-Open No. 9-164948 is as follows. That is, as shown in FIG. 10, in the double glazing 10, the spacers 14 are arranged between the tempered glass 11 and the laminated glass 12 to form the air layer 15. Further, the multilayer glass 10 has its peripheral portion fitted into a glass frame 101 via a rubber 103. Further, the double-glazed glass has a flange 102 formed at one end of the glass frame 101 detachably screwed to the vehicle structure 24 with bolts 3.

Further, the vehicle structure 24 includes a double-glazed glass 10.
The window frame 28 is formed in a shape surrounding the glass frame 101. Window frame 28 and PC resin plate 12
A rubber caulk 9 such as thiochol-based or Si-based is filled in a gap between the base material 2 and the base material 2 and adhered and fixed. Note that the window frame 28 is thinner than the vehicle structure 24.

[0011]

Problems to be Solved by the Invention
In the window structure disclosed in Japanese Patent No. 640, the window glass is fixed to the window edge material with an adhesive. For this reason, the mounting strength and durability of the window glass depend on the adhesive strength of the adhesive.

[0012] In the smoothing window device for a vehicle disclosed in the above-mentioned Japanese Patent Application Laid-Open No. 6-255483, the upper and lower sides of the window glass are provided with the projections of the window glass in the annular grooves for fitting.
It is hooked and is fixed by a positioning member and a sealing material. On the other hand, the left and right sides of the window glass are fixed only by a positioning member and a sealing material. For this reason, the mounting strength and durability of the window glass largely depend on the adhesive strength of the adhesive.

Further, in the window structure for a railway vehicle disclosed in Japanese Patent Application Laid-Open No. Hei 9-164948, although the window glass can be fixed mechanically, the window glass is mounted from the inside of the vehicle. We also need another glass frame.

Further, in the window structures disclosed in the above-mentioned JP-A-6-255483 and JP-A-9-164948, in order to eliminate the step between the glass surface and the pillar portion, both of them are for fitting the outer edge of the window. It is necessary to provide a groove structure.

[0015] In the above three patents, regarding the bonding of the double-glazed glass, Japanese Patent Application Laid-Open No. 7-232640 discloses that "adhesives which are excellent in water resistance, airtightness and vibration resistance and can exhibit sufficient holding power" are disclosed. It does not have any specific examples.

The present invention has been made in view of the above situation. As a specific problem to be solved, first of all, in a vehicle window structure capable of running at high speed, the outermost surface of the window is made substantially the same as the outer surface of a pillar portion of the vehicle on both sides of the window. It is an object of the present invention to provide a vehicle window structure that can be made and has sufficient mounting strength and durability.

A second object of the present invention is to provide a mounting structure for a vehicle window in which the window can be mounted and removed from the outside of the vehicle.

[0018]

According to a first aspect of the present invention, there is provided a window structure for a vehicle, comprising a first transparent plate disposed inside the vehicle and the vehicle. The multi-layer window in which the second transparent plate disposed on the outside is provided with an air layer interposed therebetween, on both sides of the transparent plate inside the vehicle,
The vehicle has a protruding portion protruding from an outer edge of the transparent plate on the outside of the vehicle, and the strut portions on both sides of the window opening of the vehicle are formed integrally with or separately from the strut portion, and the vehicle outer surface The multi-layer window has an outer edge of the protruding portion of the first transparent plate fixed to the support portion, further comprising a support portion protruding inward of the opening portion on the inner side.
A vehicle window structure, wherein an outermost surface of the second transparent plate is substantially the same as an outer surface of a pillar portion of the vehicle on both sides of the window.

Further, in the vehicle window structure according to the present invention, the fixing is performed by mechanically attaching the outer edge to the support portion.

Further, in the vehicle window structure according to claim 1, a space between the multi-layer window and the support portion is filled with a filler, and an outermost surface of the multi-layer window and an outer surface of the support portion are provided. Is a vehicle window structure having a smooth surface.

Further, in the vehicle window structure according to the first aspect, a watertight seal is provided between the second transparent plate and the support portion.

Further, in the vehicle window structure according to the first aspect, the first transparent plate and the second transparent plate are a vehicle window structure bonded by a structural silicone material.

Further, in the vehicle window structure according to claim 1, an upper side and a lower side of the multilayer window are provided at upper and lower sides of the window opening, and have a U-shaped cross section. 1 is a vehicle window structure supported and fixed by a vehicle.

Further, in the vehicle window structure according to the first aspect, the first transparent plate is a vehicle window structure that is a thermally strengthened glass plate.

In the vehicle window structure according to the first aspect, the second transparent plate is a vehicle window structure made of laminated glass.

Further, in the vehicle window structure according to claim 1, the second transparent plate is provided with a ceramic print on a portion corresponding to a spacer and an adhesive filling portion of the multilayer window. Window structure.

Next, as a second invention, there is provided a mounting structure for a window for a vehicle, which has a protruding portion protruding from an outer edge of the transparent plate on the outside of the vehicle on both sides of the transparent plate on the inside of the vehicle. The multi-layer window is formed integrally with or separately from pillars on both sides of the window opening of the vehicle, and a support portion protruding toward the center of the opening inside the vehicle outer surface,
A vehicle window mounting structure characterized in that the vehicle window is fitted and mechanically fixed from the outside of the vehicle.

[0028]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings.

(First Embodiment) First, a window structure according to a first embodiment of the present invention will be described. FIG. 1 is a diagram illustrating a state in which a plurality of windows 1 are provided in a railway vehicle 20. The vehicle is provided with the window portions 1 and the support portions 21 alternately, and has a continuous window structure.

FIG. 2 is a front view (a) and a cross-sectional view (b) of a multilayer window according to the present invention. FIG. 3 is an enlarged view of a vertical and vertical section (a) (AA section) and a horizontal section (b) (BB section). The multi-layer window 10 includes a thermally strengthened glass plate 11 (6 mm thick) disposed inside the vehicle and a laminated glass plate 12 (6.2 mm thick) disposed outside the vehicle.
Thickness). This laminated glass 1
2 is a glass plate 121 (thickness 3 mm) disposed inside
And a glass plate 122 (outside: 3.2 m) disposed outside
m). This double glazing 10
Is provided with the spacer 14 so that the air layer 15
Can be formed. The thickness of the air layer in this case is
26 mm. The periphery of the spacer 14 is filled with a structural silicone material.

Here, by setting the horizontal dimension of the heat-strengthened glass sheet 11 to be longer than that of the laminated glass sheet 12, protrusions 13 are formed on both sides of the heat-strengthened glass sheet. Can be provided. In this embodiment, the horizontal dimension of the heat-strengthened glass sheet is 1678.
mm and that of the laminated glass plate was 1658 mm. Therefore, the protrusion size of the protrusion 13 is
It was 10 mm. The vertical dimension of each of the double glazings was 697 mm.

Further description will be made with reference to FIGS. Support portions 22 protruding toward the center of the opening inside the vehicle outer surface are formed integrally with the support portions 21 on both sides of the window opening of the vehicle. Double glazing 1
Reference numeral 0 denotes a portion corresponding to the protruding portion and the spacer is pressed against the support portion 22 via the cushioning material 7 (for example, a rubber sheet).

Further, the outer edge of the protruding portion 13 of the double-glazed glass 10 is pressed by a pressing plate 2 (for example, an aluminum alloy plate), and is screwed to the supporting portion with a bolt 3. It is preferable that a cushioning material 7 (for example, a rubber sheet) is provided on the glass surface side of the pressing member.

At this time, by setting the step D between the outer surface of the pillar portion of the vehicle and the support portion appropriately in accordance with the thickness of the double-glazed glass 10, the outermost surface of the double-glazed glass can be adjusted to the window. It may be substantially flush with the outer surfaces of the strut portions of the vehicles on both sides. In the case of this embodiment, the level difference is 44
mm.

By adopting the above fixing method,
Even if maintenance is required for the double glazing, the double glazing can be removed by work from the outside of the vehicle. In the above example, as an example of the mechanical fixing method,
It was fixed by screwing, but without being limited to this,
Riveting and the like.

By the way, in JP-A-6-255483, a peripheral portion of a window opening of a vehicle is constituted by an outer plate 25 for the reasons described above. Also in Japanese Patent Application Laid-Open No. 9-164948, for the reason described above, the periphery of the window opening of the vehicle is thinned by a thin window frame 28.
It consists of. On the other hand, in the present invention, by adopting the above configuration, it is possible to fix the double-glazed glass without providing a thin portion in the periphery of the window opening and without the step between the glass surface and the pillar portion. Can be.

The support section 22 may be formed integrally with the support section 21 as described above, or may be formed by a separate member. At this time, the support portion formed of a separate member may be fixed to the column portion of the vehicle by the following method. Screwing of a bolt or the like, welding, or bonding with an adhesive if the strength can be ensured.

The double-glazed glass 10 and the support 2
By filling the space between them with resin or the like, the continuous window structure can be made completely smooth. In this embodiment, first, a backup material 5 (specifically, foamed rubber or foamed polyethylene) was filled, and a watertight seal material 6 (for example, a polysulfide-based seal material) was filled thereon. For this reason, the entry of water such as rain can be prevented.

Further, in the double-glazed glass 10, the adhesive strength between the thermally strengthened glass plate 11 and the laminated glass plate 12 is important. For this reason, it is preferable to use the structural silicone material 16 having excellent adhesive strength and good durability. This structural silicone material is applied to the spacer 14
The heat-strengthened glass plate and the laminated glass plate may be bonded to each other by filling the outer periphery of the glass plate. SE9600 (manufactured by Toray) was used as a specific example of the structural silicone material. further,
The width of filling of the structural silicone material must be properly selected. That is, it is necessary to consider wind pressure generated during high-speed running of the vehicle, long-term durability, and the like. In the case of this example, the filling width was 27 mm. The strength and durability of glass bonding with a structural silicone material has been recognized in the field of construction.

Next, a method of fixing the upper side and the lower side of the double-glazed glass will be described (see FIG. 6). A support groove 2 having a U-shaped cross section is provided at an upper side and a lower side of the window opening.
3 are provided. The upper and lower sides of the multilayer glass are supported and fixed in a state in which the outer edges of the upper and lower sides of the multilayer glass are fitted into the support grooves, respectively. The positioning and fixing are performed by a spacer 8 (made of rubber), and the space is further sealed with a sealing material. It is preferable that the depth of the groove of the support groove 23 is set so that the spacer 14 and the structural silicone sealing material 16 around the double-layer glass are hidden when the double-layer glass is placed at a predetermined position.

In the fixing method described above, there is a step between the upper surface of the double glazing and the lower side thereof, between the double glazing and the outer surface of the vehicle. However, since the upper side and the lower side of the double-glazed glass are parallel to the traveling direction of the vehicle, the influence on the increase in air resistance and wind noise is small.

In this embodiment, the left and right sides of the double glazing are fixed by screws, or the upper and lower sides are fitted and fixed in support grooves. That is, since the four sides of the double-glazed glass are mechanically fixed, the mounting strength is excellent.

In this embodiment, a heat-strengthened glass plate was used as the first transparent plate. This heat-strengthened glass is excellent in strength and can be suitably used. A laminated glass plate is also suitably used. In the present invention, the strength of the double glazing is particularly important since the outer edge of the first transparent plate is mechanically fixed to the supporting portion.

In this embodiment, as the second transparent plate, two glass plates are formed of a polyvinyl butyral intermediate film (P).
A laminated glass having a laminated structure using VB) was used.
Therefore, the field of view is not obstructed in the unlikely event of damage. In addition, a safety glass for a vehicle can be configured without using a thermally strengthened glass plate. The combination of the laminated glasses constituting the second transparent plate is not limited to this, and may be any combination of transparent substrates such as a glass plate + a polycarbonate plate, and a glass plate + an acrylic plate.

Further, it is preferable that a ceramic print 17 is applied to the second transparent plate corresponding to the portion of the double-glazed window which is filled with the spacer and the structural silicone material. In this example, a ceramic print 17 was applied to the bonding surface side of the outer glass plate constituting the second transparent plate.

By providing this ceramic print, the spacer and the structural silicone material are blindfolded, which is preferable in design. This ceramic print is
It can be applied by a known method.

(Second Embodiment) Next, a vehicle window mounting structure according to a second embodiment of the present invention will be described. As is clear from the description of the above-described embodiment, a vehicle window is formed by fitting a double-glazed glass having a protruding portion into a support portion formed on the support portion from the outside of the vehicle and mechanically fixing it. Can be mounted from outside the vehicle. For this reason, at the time of vehicle manufacture, window installation work can be performed without being affected by schedules such as interior construction work in the vehicle.

In this mounting structure, the window structure can be removed from the outside of the vehicle for maintenance. In this case, there is no need to remove a seat or the like provided in the vehicle, so that the cost and labor involved in maintenance can be reduced.

(Alternative Embodiment) The first embodiment described above is an example in which protruding portions are provided on both sides of the double-glazed glass. The present invention can be grasped not only in this example, but also in a mode in which protruding portions are provided on the side portions and the upper and lower side portions of the double-glazed glass (see FIG. 7). That is, the insulating glass 10
Projections 13 are provided on all four sides, and the windows are mechanically fixed.

In this alternative embodiment, the outermost surface of the double glazing and the outer surfaces of the upper and lower sides of the window opening can be made substantially the same. At this time, the second
The transparent plate is preferably provided with a ceramic print over the entire periphery.

[0051]

As described above, according to the first aspect of the present invention, the outermost surface of the multi-layer window for a vehicle can be made substantially the same as the outer surface of the pillar portion of the vehicle. It has a window structure.

Further, in the vehicle window structure according to the second aspect, since the multi-layer window is mechanically fixed to the column,
Excellent mounting strength and durability. It can also be removed.

Further, in the vehicle window structure according to the third aspect, since the space between the multi-layer window and the pillar is filled with the filler, the surfaces thereof can be made smooth.

In the vehicle window structure according to the fourth aspect, a watertight seal is further provided between the second transparent plate and the support portion, so that the ingress of moisture can be prevented.

Further, in the vehicle window structure according to the fifth aspect, the first transparent plate and the second transparent plate of the multi-layer window are bonded by a structural silicone material, so that the mounting strength and durability are improved. Excellent in nature.

In the vehicle window structure according to the sixth aspect, since the upper and lower sides of the multi-layer window are supported and fixed by the support grooves, the mounting strength and durability are excellent.

Further, the vehicle window structure according to claim 7 is excellent in strength because the first transparent plate is a heat-strengthened glass plate or a laminated glass plate.

Further, in the vehicle window structure according to the present invention, since the second transparent plate is a laminated glass plate, a safety glass for a vehicle can be formed without using a heat strengthened glass plate.

Further, in the vehicle window structure according to the ninth aspect, the second transparent plate is provided with a ceramic print on a portion corresponding to a spacer and an adhesive-filled portion of the multi-layer window. Excellent.

On the other hand, in the structure for mounting the vehicle window, the multi-layer window having the protruding portion is fitted into the support portion from the outside of the vehicle and fixed, so that the window mounting operation is facilitated. It is also possible to remove the window from the outside of the vehicle and perform maintenance.

[Brief description of the drawings]

FIG. 1 is a diagram showing a state in which a plurality of windows are provided in a railway vehicle.

FIG. 2 is a diagram illustrating an example of a multi-layer window structure.

FIG. 3 is a partially enlarged view of FIG. 2;

FIG. 4 is a diagram illustrating an example of a window structure according to the present invention.

FIG. 5 is a view for explaining a method of fixing the left and right of the multilayer window in the window structure of the present invention.

FIG. 6 is a diagram illustrating a method of fixing the upper and lower windows of the multi-layer window in the window structure of the present invention.

FIG. 7 is a diagram illustrating a multilayer window structure used in another embodiment of the present invention.

FIG. 8 is a longitudinal sectional view of a window device disclosed in Japanese Patent Application Laid-Open No. 6-255483.

FIG. 9 is a cross-sectional view of the window device disclosed in Japanese Patent Laid-Open No. 6-255483.

FIG. 10 is a cross-sectional view of a window structure disclosed in Japanese Patent Application Laid-Open No. 9-164948.

[Explanation of symbols]

 1: Window, 10: Insulated glass, 11: Insulated transparent plate of insulated glass, 12: Insulated transparent plate of insulated glass, 121: Inner transparent plate of laminated glass, 122: Outer transparent of laminated glass Plate, 123: Adhesive layer (film) of laminated glass, 13: Protruding part (protruding part) of double glass, 14: Spacer (made of metal), 15: Air layer, 16: Silicone sealing material for structure, 17: Ceramic Print, 18: Sealing material (also serves as spacer), 19: Sealing material, 101: Glass frame, 102: Flange, 103: Rubber, 2: Pressing plate, 3: Bolt, 4: Filling material (resin), 5: Backup Material: 6: Watertight sealing material, 7: Buffer material (rubber sheet), 8: Spacer (made of rubber) 9: Caulking agent, 20: (Railway) vehicle, 21: Post (pillar), 22: Support Parts, 23: support groove, 24: vehicle body structure, the 25 :( vehicle) skins, 26: frame, 27: annular groove, 28: window frame, 29: Packing material

Claims (10)

[Claims] 1. A window structure for a vehicle, wherein a multi-layer window in which a first transparent plate disposed inside the vehicle and a second transparent plate disposed outside the vehicle is provided with an air layer interposed therebetween, The vehicle includes a transparent plate on both sides of the transparent plate on the inside of the vehicle, which has a protruding portion protruding from an outer edge of the transparent plate on the outside of the vehicle. And a support member formed integrally with or separately from the portion and protruding toward the center of the opening on the inner side of the vehicle outer surface, wherein the multi-layer window has an outer edge of the protruding portion of the first transparent plate. ,
A vehicle window structure, wherein the outermost surface of the second transparent plate is substantially the same as the outer surfaces of the strut portions of the vehicle on both sides of the window by being fixed to the support portion. 2. The vehicle window structure according to claim 1, wherein the fixing is performed by mechanically attaching the outer edge to the support portion. 3. The vehicle window structure according to claim 1, wherein a space between the multi-layer window and the support portion is filled with a filler, and an outermost surface of the multi-layer window and an outer surface of the support portion. Vehicle window structure with a smooth surface. 4. The vehicle window structure according to claim 1, wherein a watertight seal is provided between said second transparent plate and said support portion. 5. The vehicle window structure according to claim 1, wherein the first transparent plate and the second transparent plate are bonded by a structural silicone material. 6. The vehicle window structure according to claim 1, wherein an upper side and a lower side of the multilayer window are provided on an upper side and a lower side of the window opening, and have a U-shaped cross section. Window structure supported and fixed by the vehicle. 7. The vehicle window structure according to claim 1, wherein the first transparent plate is a thermally strengthened glass plate or a laminated glass. 8. The vehicle window structure according to claim 1, wherein the second transparent plate is a laminated glass. 9. The vehicle window structure according to claim 1, wherein the second transparent plate has a ceramic print on a portion corresponding to a spacer and an adhesive filling portion of the multilayer window. Window structure. 10. A mounting structure for a vehicle window, comprising: a multi-layered window having a projecting portion projecting from an outer edge of a transparent plate outside the vehicle at a side edge on both sides of a transparent plate inside the vehicle. It is formed integrally with or separate from the pillars on both sides of the window opening of the vehicle, and is fitted from the outside of the vehicle to a support portion projecting toward the center of the opening inside the vehicle outer surface and mechanically fixed. A mounting structure for a vehicle window.