Vehicle window glass, vehicle window glass with antenna, and vehicle

Abstract

Provided are a vehicle window glass to which an antenna device can be stably fixed, a vehicle window glass with an antenna, and a vehicle.　The vehicle window glass comprises: a glass plate which is attached to a window frame of a vehicle body and has a first through hole penetrating between a main surface on the outside of a cabin and a main surface on the inside of the cabin; and a spacer which is provided to extend between the inside of the first through hole and the main surface on the inside of the cabin, and holds a fixing shaft of the antenna device inside the first through hole, the antenna device including a mounting surface that abuts the main surface on the outside of the cabin.

Description

Vehicle window glass, vehicle window glass with antenna, and vehicle

[0001] The present disclosure relates to a vehicle window glass, a vehicle window glass with an antenna, and a vehicle.

[0002] Known examples of antennas mounted on vehicles include so-called shark fin antennas, which are antenna devices that house various antenna elements in a protruding cover on the vehicle roof. Some vehicle models also have an opening in the roof, with roof glass installed in the opening. When the roof glass is installed in the opening, a through-hole is formed in the roof glass, and power lines, signal lines, and the like for the shark fin antenna are connected to a power source or signal source inside the vehicle through the through-hole. The antenna device is attached to the roof glass by a fastener provided in the through-hole. The fastener is fixed to a seat inside the vehicle interior by screwing it via elastic layers (sealing members) provided on the exterior and interior surfaces of the roof glass and inside the through-hole (see, for example, Patent Document 1).

[0003] Special Publication No. 2010-510954

[0004] However, in conventional roof glass, a sealing member is interposed between the surface of the roof glass facing the outside of the vehicle cabin and the antenna device, which may make it difficult to stably fix the antenna device.

[0005] Therefore, an object of the present invention is to provide a vehicle window glass to which an antenna device can be stably fixed, a vehicle window glass with an antenna, and a vehicle.

[0006] A vehicle window glass according to an embodiment of the present disclosure includes a glass plate attached to a window frame of a vehicle body, the glass plate having a first through hole penetrating between a main surface facing the outside of the vehicle cabin and a main surface facing the inside of the vehicle cabin, and a spacer extending from the inside of the first through hole to the main surface facing the inside of the vehicle cabin, the spacer holding a fixed shaft of an antenna device within the first through hole, the spacer having a mounting surface abutting the main surface facing the outside of the vehicle cabin.

[0007] It is possible to provide a vehicle window glass to which an antenna device can be stably fixed, a vehicle window glass with an antenna, and a vehicle.

[0008] FIG. 1 is a diagram showing an example of an exploded state of a vehicle window glass of an embodiment; FIG. 2 is a diagram showing an example of an exploded state of some components of the vehicle window glass of an embodiment; FIG. 3 is a diagram showing an example of a cross-sectional configuration of the vehicle window glass of an embodiment; FIG. 4 is a diagram showing an example of a configuration of a glass plate of the vehicle window glass of an embodiment; FIG. 5 is a diagram showing an example of a cross-sectional configuration of the vehicle window glass of an embodiment in the case where the glass plate is laminated glass; FIG. 6 is a diagram showing an example of an exploded state of the vehicle window glass of a first modified embodiment; FIG. 7 is a diagram showing an example of a cross-sectional configuration of the vehicle window glass of a second modified embodiment; FIG. 8 is a diagram showing an example of an exploded state of the vehicle window glass of the second modified embodiment;

[0009] Hereinafter, embodiments of the present disclosure will be described, in which the vehicle window glass, the vehicle window glass with an antenna, and the vehicle are applied. In the following, the same elements will be given the same reference numerals, and duplicated descriptions may be omitted.

[0010] In the following description, the XYZ coordinate system is defined. The direction parallel to the X axis (X direction), the direction parallel to the Y axis (Y direction), and the direction parallel to the Z axis (Z direction) are perpendicular to each other. For ease of explanation, the -Z direction may be referred to as the lower side or bottom, and the +Z direction may be referred to as the upper side or top, but this does not indicate a universal vertical relationship. Planar view refers to a view from the XY plane. In the following description, the length, width, thickness, etc. of each part may be exaggerated to make the configuration easier to understand. Terms such as parallel, right angle, orthogonal, horizontal, vertical, and top and bottom may be misaligned to the extent that they do not impair the effects of the embodiments.

[0011] Examples of the vehicle window glass in this embodiment include roof glass attached to the ceiling of the vehicle, a windshield (front glass) attached to the front of the vehicle, fixed side glass attached to the side of the vehicle, and rear glass attached to the rear of the vehicle. The vehicle window glass is not limited to these examples. Below, as an example, a form in which the vehicle window glass is used as a roof glass will be described.

[0012] The vehicle may be, for example, an automobile such as an electric vehicle (EV), a plug-in hybrid electric vehicle (PHEV), a hybrid vehicle (HV), a gasoline-powered vehicle, or a diesel-powered vehicle. The vehicle may also be a train or steam locomotive. A vehicle is an example of a moving body that transports passengers.

[0013] In the following description, the outside of the vehicle compartment refers to the outside of the vehicle (outside the cabin), and the inside of the vehicle compartment refers to the inside of the vehicle (inside the cabin).

[0014] <Embodiment> Fig. 1A is a diagram showing an example of an exploded state of a vehicle window glass 100 according to an embodiment. Fig. 1B is a diagram showing an example of an exploded state of some components of the vehicle window glass 100. Fig. 2A is a diagram showing an example of a cross-sectional configuration of the vehicle window glass 100. Fig. 2B is a diagram showing an example of a configuration of a glass plate 110 of the vehicle window glass 100. Fig. 2A shows an example of a cross-sectional configuration in a state in which the vehicle window glass 100 and an antenna device 50 are attached to a vehicle body 10. Fig. 2A shows the vehicle body 10 of a vehicle 1.

[0015] The vehicle 1 includes a vehicle body 10, an antenna device 50, and a vehicle window glass 100. The vehicle body 10 has a window frame 11, a panel 12, a bolt 15, and an adhesive 20. The antenna-equipped vehicle window glass 100A of the embodiment includes the antenna device 50 and the vehicle window glass 100.

[0016] The vehicle window glass 100 includes a glass plate 110, a spacer 120, and a metal plate 130. An antenna device 50 is attached to a main surface 110A on the exterior side (+Z direction side) of the glass plate 110 of the vehicle window glass 100. The antenna device 50 is, for example, a shark fin type antenna device.

[0017] 1A shows the antenna device 50, the glass plate 110, the spacer 120, and the metal plate 130 from an obliquely upper side. 110A of the glass plate 110 facing the exterior of the vehicle cabin is shown in FIG. 1A. The exterior main surface 110A of the glass plate 110 is the upper surface of the glass plate 110.

[0018] 1B shows the antenna device 50 and the glass plate 110 from an obliquely lower side. In FIG. 1B, the main surface 110B on the interior side (−Z direction side) of the glass plate 110 is shown, and the spacer 120 and the metal plate 130 are omitted. The main surface 110B on the interior side of the vehicle is the lower surface of the glass plate 110.

[0019] <Antenna Device 50 > The antenna device 50 includes an antenna body 51 , a fixed shaft 52 , and a nut 53 .

[0020] The antenna body 51 is a housing that houses an antenna element, etc. The lower surface of the antenna body 51 is a mounting surface 51A that is attached to the main surface 110A of the glass plate 110 facing the exterior of the vehicle cabin. The antenna element built into the antenna body 51 is connected to a signal line that passes through the inside of the fixed shaft 52.

[0021] A coaxial cable (not shown) is housed in the fixed shaft 52. The core wire of the coaxial cable is connected to a signal line passing through the inside of the fixed shaft 52, and the fixed shaft 52 is connected to the shield wire of the coaxial cable, with the coaxial cable being pulled out from the fixed shaft 52. The coaxial cable may be pulled out from the tip of the fixed shaft 52 or from somewhere along the fixed shaft 52. The fixed shaft 52 is also connected to a metal plate 130. The metal plate 130 can block noise coming from inside the vehicle cabin, thereby improving the antenna characteristics of the antenna device 50. If noise blocking is not necessary, the fixed shaft 52 and the metal plate 130 do not have to be connected.

[0022] The fixed shaft 52 is a bolt-shaped member with a helical thread formed on its outer surface, and has a base 52A at its upper end connected to the mounting surface 51A of the antenna body 51. The base 52A is rectangular parallelepiped-shaped and is provided to prevent rotation of the antenna body 51. The base 52A may include a structure such as a claw for temporarily fixing the spacer 120.

[0023] When fastening the antenna main body 51 to the glass plate 110, the fixed shaft 52 is inserted from above into the through-hole 120A of the spacer 120 and the through-hole 130A of the metal plate 130, and a nut 53 is attached to the lower end of the fixed shaft 52. Note that, although the fixed shaft 52 is described here as a bolt-shaped member protruding from the underside of the antenna main body 51 and fastened with the nut 53, the fixed shaft 52 is not limited to this configuration. The fixed shaft 52 may be, for example, an anchored bolt fixed to the underside of the antenna main body 51. An anchored bolt is advantageous in terms of preventing rotation and lateral movement.

[0024] The antenna element built into the antenna main body 51 is an antenna element that transmits or receives radio waves in a predetermined frequency band. The antenna element may be an antenna element capable of receiving radio waves in the VHF (Very High Frequency) to UHF (Ultra High Frequency) bands. Specifically, the antenna element may be an antenna element capable of receiving radio waves with frequencies from 30 MHz to 3 GHz. The antenna element may also be an antenna element capable of receiving at least one of DAB (Digital Audio Broadband) Band III (174 MHz to 240 MHz) radio waves and terrestrial digital television broadcast waves (470 MHz to 710 MHz) radio waves, which are included in the VHF to UHF bands. The antenna element may also be an antenna element capable of receiving FM broadcast wave frequencies (76 MHz to 108 MHz) and narrowband ITS (Intelligent Transport Systems) radio waves including 760 MHz.

[0025] Furthermore, the antenna element may be an antenna element capable of transmitting and receiving radio waves in the LTE (Long Term Evolution) frequency band, an antenna element capable of receiving radio waves in a satellite communication frequency band such as GNSS (Global Navigation Satellite System) and SDARS (Satellite Digital Audio Radio Service), or an antenna element capable of transmitting and receiving radio waves in the 5G (fifth generation mobile communication system) frequency band. An example of a 5G antenna element is an antenna element capable of transmitting and receiving radio waves in a frequency band (e.g., 5.8 GHz band) for short-range communication called DSRC (Dedicated Short Range Communication) used for V2X (Vehicle to Everything) such as vehicle-to-vehicle communication and road-to-vehicle communication. Furthermore, the antenna element is not limited to one of the antenna elements exemplified above, and may include multiple antenna elements arranged in one location, or multiple antenna elements may be individually arranged in a distributed manner near the glass plate 110.

[0026] <Glass Plate 110> The glass plate 110 has a main surface 110A facing the exterior of the vehicle cabin, a main surface 110B facing the interior of the vehicle cabin, a through hole 110C, and a ceramic layer 115. The through hole 110C is an example of a first through hole. The ceramic layer 115 is an example of a shielding layer.

[0027] 2A , for example, the glass plate 110 is attached to a window frame 11 of a vehicle body 10. The window frame 11 is formed in a flange shape along the outer edge of the vehicle window glass 100. The vehicle window glass 100 is attached to the window frame 11, for example, by bonding the peripheral edge of the main surface 110B of the glass plate 110 facing the interior of the vehicle to the window frame 11 with an adhesive 20 such as urethane resin. The peripheral edge of the main surface 110B facing the interior of the vehicle is a peripheral portion of the main surface 110B facing the interior of the vehicle, which is slightly inside the outer edge of the vehicle window glass 100 and follows the outer edge.

[0028] The through hole 110C penetrates between the main surface 110A facing the outside of the vehicle compartment and the main surface 110B facing the inside of the vehicle compartment at the position of the fixed shaft 52 in the portion where the antenna main body 51 is attached to the glass plate 110.

[0029] The ceramic layer 115 is formed in a region of the main surface 110B on the interior side of the vehicle that overlaps with the antenna main body 51 in a plan view. The ceramic layer 115 is, for example, a fired body of a dark-colored ceramic paste, and is formed by applying and firing a ceramic color paste that includes a fusible glass frit containing a black pigment. The ceramic layer 115 is formed to prevent deterioration of the adhesive 20 due to ultraviolet rays when the vehicle window glass 100 is adhered to the vehicle body 10, and to improve the appearance by preventing the connection portion between the vehicle window glass 100 and the vehicle body 10 from being seen from outside the vehicle.

[0030] The ceramic layer 115 is provided on the peripheral portion of the glass plate 110 in a plan view. The peripheral portion of the glass plate 110 is a peripheral portion of the glass plate 110 that is slightly inside the outer edge of the glass plate 110 and extends along the outer edge of the glass plate 110 in a plan view. The ceramic layer 115 provided on the peripheral portion of the glass plate 110 may be independent of the ceramic layer 115 formed in the region overlapping with the antenna body 51.

[0031] The glass plate 110 may be inorganic glass or organic glass. Examples of inorganic glass that can be used without particular limitation include soda-lime glass, aluminosilicate glass, borosilicate glass, alkali-free glass, and quartz glass. Among these, soda-lime glass is particularly preferable from the viewpoints of manufacturing cost and formability.

[0032] The glass plate 110 may be a single-layer glass or a laminated glass. When the glass plate 110 is a single-layer glass, it is preferably a tempered glass. As the tempered glass, physically tempered glass (for example, air-cooled tempered glass) can be used.

[0033] When the glass sheet 110 is a laminated glass, it has a glass sheet provided on the outside of the vehicle cabin, a glass sheet provided on the inside of the vehicle cabin, and an interlayer film provided between the two glass sheets. The two glass sheets are bonded together by the interlayer film.

[0034] The glass plate 110 is a transparent, flat glass plate. The glass plate 110 has a main surface facing the outside of the vehicle cabin and a main surface facing the inside of the vehicle cabin. The method for forming the glass plate 110 is not particularly limited. For example, in the case of inorganic glass, a glass plate formed by a float method or the like is preferable. Note that, as an example, a form in which the glass plate 110 is transparent will be described here, but the glass plate 110 does not have to be transparent.

[0035] When the glass plate 110 is inorganic glass, the glass plate 110 may be either untempered glass or tempered glass. Untempered glass is produced by forming molten glass into a plate shape and slowly cooling it. Tempered glass is produced by forming a compressive stress layer on the surface of untempered glass, and may be either air-cooled tempered glass or chemically tempered glass.

[0036] When the tempered glass is physically tempered glass (e.g., air-cooled tempered glass), the glass surface may be tempered by a process other than slow cooling, such as rapidly cooling a uniformly heated glass sheet from a temperature near its softening point during bending, thereby generating a compressive stress layer on the glass surface due to the temperature difference between the glass surface and the interior of the glass. When the tempered glass is chemically tempered glass, the glass surface may be tempered after bending by generating compressive stress on the glass surface using an ion exchange method or the like. Furthermore, glass that absorbs ultraviolet or infrared rays may be used as the glass sheet 110. The glass sheet 110 is preferably transparent, but may also be colored to the extent that transparency is not impaired.

[0037] The glass sheet 110 may have a curved shape such that the outside of the vehicle cabin is convex when attached to the vehicle body 10. The laminated glass may have a single-curve shape bent in only one direction, or may have a complex-curve shape bent in two directions (for example, the vertical direction when the laminated glass is attached to the vehicle body 10 and the horizontal direction perpendicular to the vertical direction). Gravity forming, press forming, roller forming, or the like is used to bend the laminated glass. When the laminated glass is bent to a predetermined curvature, the radius of curvature of the laminated glass may be 1,000 mm or more and 100,000 mm or less.

[0038] When the glass plate 110 is a single-layer glass, the thickness of the glass plate is preferably 2.0 mm or more and 5.0 mm or less. When the thickness of the glass plate is 2.0 mm or more, the strength such as stone chip resistance is sufficient, and when it is 5.0 mm or less, the mass of the glass plate 110 is not too large, which is preferable in terms of fuel efficiency of the vehicle. When the glass plate 110 is a laminated glass, when the laminated glass is attached to the vehicle body 10, the thickness of the glass plate located on the outside of the vehicle cabin and the thickness of the glass plate located on the inside of the vehicle cabin may be the same or different. The thickness of the glass plate is preferably 1.0 mm or more and 3.0 mm or less. When the thickness of the glass plate is 1.0 mm or more, the strength such as stone chip resistance is sufficient, and when it is 3.0 mm or less, the mass of the laminated glass is not too large, which is preferable in terms of fuel efficiency of the vehicle. The thickness of the glass plate is preferably 0.3 mm or more and 2.3 mm or less. When the thickness of the glass plate is 0.3 mm or more, the handleability is good, and when it is 2.3 mm or less, the mass is not too large. The thickness of each of the two glass plates is preferably 1.8 mm or less, since this allows for both weight reduction and sound insulation of the laminated glass. When the thickness of the glass plates is 1.0 mm or less, the glass plates may be chemically strengthened glass. When the glass plates are chemically strengthened glass, it is preferable that the compressive stress value of the glass surface is 300 MPa or more and the depth of the compressive stress layer is 2 μm or more.

[0039] When the glass plate 110 is made of organic glass, examples of the material for the organic glass include transparent resins such as polycarbonate and acrylic resins (for example, polymethyl methacrylate).

[0040] When the glass plate 110 is a laminated glass, the interlayer film is a transparent or translucent dielectric material having dielectric properties and interposed between the two glass plates. The two glass plates are bonded together by the interlayer film. Examples of materials for the interlayer film include thermoplastic polyvinyl butyral (PVB) and ethylene vinyl acetate copolymer (EVA). The interlayer film may be transparent or colored. The interlayer film may also be composed of two or more layers of film.

[0041] The ceramic layer 115 is provided in a layer along the periphery of the main surface of the glass plate 110 facing the interior of the vehicle. As an example, if the glass plate 110 is laminated glass, the ceramic layers 115 provided on the two glass plates have the same shape in a plan view and are also positioned at the same position in a plan view. Note that the ceramic layer 115 may be provided only on the main surface facing the interior of the glass plate facing the exterior of the vehicle, or may be provided only on the main surface facing the interior of the glass plate facing the interior of the vehicle.

[0042] Here, an example will be described in which the glass plate 110 is a single-layer glass as shown in Fig. 2A , but the glass plate 110 may be a laminated glass as shown in Fig. 2C . Fig. 2C is a diagram showing an example of the cross-sectional configuration of a vehicle window glass 100 in which the glass plate 110 is a laminated glass. Details of the material of the laminated glass and the like are as described above, and the configuration of the glass plate 110 as a laminated glass will be described here using Fig. 2C .

[0043] The glass sheet 110 serving as laminated glass includes glass sheets 111 and 112, an interlayer film 113, and a ceramic layer 115. The glass sheet 111 is an example of a first glass sheet, and the glass sheet 112 is an example of a second glass sheet. Although not shown in FIG. 2C , the glass sheet 110 serving as laminated glass may have a Low-E film formed on a main surface 112B of the glass sheet 112 facing the interior of the vehicle. The Low-E film is a conductive film that reflects far-infrared rays and improves the heat insulating performance or heat blocking performance of the glass sheet 110.

[0044] The glass plate 110 as laminated glass is formed by bonding a glass plate 111 on which a ceramic layer 115 is formed and a glass plate 112 provided on the interior side of the vehicle body 10 via an intermediate film 113.

[0045] The glass plate 110 serving as laminated glass has a through hole 110C. The through hole 110C penetrates the glass plate 111, the glass plate 112, the interlayer 113, and the ceramic layer 115 in the thickness direction (Z direction). The positions of the through holes in the glass plate 111, the glass plate 112, the interlayer 113, and the ceramic layer 115 are aligned in a plan view, and are shown as the through hole 110C in FIG. 2C . The through hole 110C is similar to the through hole 110C in the glass plate 110 serving as single-layer glass shown in FIG. 2A , and is provided at a position overlapping the antenna device 50 in a plan view. Note that the through hole in the glass plate 111 and the through hole in the glass plate 112 may have different sizes in a plan view.

[0046] The glass plate 111 has an exterior-side main surface 111A and an interior-side main surface 111B. The main surface 111A is an example of a first main surface, and the interior-side main surface 111B is an example of a second main surface. The glass plate 112 has an exterior-side main surface 112A and an interior-side main surface 112B. The main surface 112A is an example of a third main surface, and the interior-side main surface 112B is an example of a fourth main surface. The main surface 111A is an example of a cabin-side main surface, and the main surface 112B is an example of a cabin-side main surface.

[0047] When the glass sheet 110 as laminated glass shown in Fig. 2C is used instead of the glass sheet 110 as single-layer glass shown in Fig. 2A, the vehicle window glass 100 of the embodiment achieves the same effect. As an example, below, an embodiment using the glass sheet 110 as single-layer glass shown in Fig. 2A will be described.

[0048] <Spacer 120> The spacer 120 is a member that is provided across the inside of the through hole 110C of the glass plate 110 and the main surface 110B on the interior side of the vehicle cabin, and holds the fixed shaft 52 of the antenna device 50, which has an attachment surface 51A that abuts against the main surface 110A on the exterior side of the vehicle cabin, inside the through hole 110C.

[0049] Here, providing spacer 120 across the interior of through hole 110C and main surface 110B facing the interior of the vehicle means that, when ceramic layer 115 is formed on main surface 110B facing the interior of the vehicle, spacer 120 is provided across the interior of through hole 110C and ceramic layer 115 formed on main surface 110B facing the interior of the vehicle. Spacer 120 is preferably made of resin, but may also be made of a relatively soft metal such as aluminum.

[0050] The spacer 120 has a first portion 121 provided inside the through-hole 110C of the glass plate 110, and a second portion 122 abutting against the ceramic layer 115 formed on the main surface 110B facing the interior of the vehicle.

[0051] The first portion 121 is, for example, a cylindrical portion that protrudes upward from the upper surface of the second portion 122. The first portion 121 is, for example, fitted inside the through hole 110C. For example, the size of the first portion 121 in a plan view is matched to the size of the through hole 110C in a plan view. This is to prevent the first portion 121 from shifting inside the through hole 110C, thereby suppressing misalignment of the antenna device 50. Furthermore, fitting the first portion 121 inside the through hole 110C seals the gap between the first portion 121 and the through hole 110C, thereby providing waterproofing. Furthermore, fitting the first portion 121 inside the through hole 110C protects the edge of the through hole 110C of the glass plate 110, thereby suppressing damage to the edge.

[0052] As shown in FIG. 2B , the first portion 121 has a through-hole 121A that is square in plan view. For example, the shape and size of the through-hole 121A in plan view are matched to the shape and size of the base 52A of the antenna device 50, and the depth of the through-hole 121A is matched to the length of the base 52A in the Z direction. By fitting the base 52A into the through-hole 121A, the gap between the through-hole 121A and the base 52A can be sealed, providing waterproofing. Furthermore, by fitting the base 52A, which is square in plan view, into the through-hole 121A, which is square in plan view, misalignment of the base 52A can be suppressed, thereby suppressing misalignment of the antenna device 50. Note that, if misalignment of the antenna device 50 is not a problem, the through-hole 121A may have a shape other than a square, such as a circle in plan view. Furthermore, if the base 52A is circular in plan view, the through-hole 121A may also be circular in plan view.

[0053] The second portion 122 is, for example, a flat portion and has a constant thickness in the Z direction. The second portion 122 has a through hole 122A that communicates with the through hole 121A. The through holes 121A and 122A are examples of second through holes. The through hole 122A is, for example, circular in a plan view and has a size in a plan view that matches the size in a plan view of the fixed shaft 52.

[0054] In this way, the spacer 120 is provided across the interior of the through-hole 110C of the glass plate 110 and the main surface 110B on the interior side of the vehicle cabin, and no spacer 120 is present between the main surface 110A on the exterior side of the vehicle cabin of the glass plate 110 and the antenna device 50. In other words, the spacer 120 is provided only across the interior of the through-hole 110C of the glass plate 110 and the main surface 110B on the interior side of the vehicle cabin. This allows the antenna device 50 to be stably fixed to the glass plate 110.

[0055] If ceramic layer 115 is not provided, second portion 122 will abut against main surface 110B on the interior side of the vehicle cabin. If ceramic layer 115 is not provided in part of the portion that overlaps with antenna main body 51 in a plan view, second portion 122 will abut against ceramic layer 115 in the portion where ceramic layer 115 is present, and will abut against main surface 110B on the interior side of the vehicle cabin in the portion where ceramic layer 115 is not present.

[0056] Furthermore, for positioning the spacer 120, protrusions or grooves may be provided inside the through-hole 110C, on the main surface 110B facing the interior of the vehicle, on the ceramic layer 115, or the like.

[0057] <Metal Plate 130> The metal plate 130 is a member that is provided by overlapping the lower surface of the second portion 122 of the spacer 120. As an example, the metal plate 130 is preferably made of a relatively soft metal such as aluminum, but may be made of a metal other than aluminum.

[0058] The metal plate 130 has a through hole 130A. The shape and size of the through hole 130A in a plan view are, for example, matched to the shape and size of the through hole 122A in the spacer 120 in a plan view. This is because the fixed shaft 52 is passed through the through hole 130A.

[0059] Furthermore, the metal plate 130 is connected to the fixed shaft 52 via a nut 53 attached to the lower end of the fixed shaft 52. The fixed shaft 52 is connected to the shielded wire of the coaxial cable and is connected to the reference potential point of the vehicle body 10. That is, the metal plate 130 is connected to the reference potential point of the vehicle body 10. The reference potential point of the vehicle body 10 is a reference point for the potential in the vehicle body 10, and is connected to the negative terminal of the battery of the vehicle 1, for example.

[0060] In this way, by connecting the metal plate 130 to the reference potential point of the vehicle body 10, it is possible to block noise coming from inside the vehicle compartment and improve the antenna characteristics of the antenna device 50. Note that if noise blocking is not necessary, the metal plate 130 does not have to be connected to the fixed shaft 52.

[0061] The metal plate 130 is fastened to the window frame 11 of the vehicle body 10 via bolts 15. The metal plate 130 is provided to prevent the fastening force of the nuts 53 from being directly applied to the spacer 120. Furthermore, by dispersing the fastening force using the metal plate 130, the antenna device 50 can be fixed to the glass plate 110 with a stronger fastening force, and damage to the glass plate 110 can be suppressed.

[0062] The vehicle window glass 100 does not have to include the metal plate 130. For example, in cases where the fastening force applied to the spacer 120 is not an issue, the vehicle window glass 100 may not include the metal plate 130, and may have a configuration in which the nut 53 abuts against the lower surface of the second portion 122 of the spacer 120.

[0063] Furthermore, the metal plate 130 may be an extension of the window frame 11 and may be part of the vehicle body 10. In this case, the metal plate 130 may be configured integrally with the window frame 11 and may not be configured to be fastened by the bolts 15.

[0064] <Assembling the antenna device 50 to the vehicle window glass 100> The spacer 120 is fitted into the through hole 110C of the glass plate 110, the metal plate 130 is placed on top of the spacer 120, the fixed shaft 52 is inserted into the through holes 120A and 130A from above, and the nut 53 is attached to the lower end of the fixed shaft 52, thereby fastening the antenna main body 51 to the glass plate 110.

[0065] A panel 12 is provided on the interior side of the vehicle, and covers the window frame 11, bolts 15, fixed shafts 52, nuts 53, ceramic layer 115, spacers 120, and metal plate 130 so that they cannot be seen from inside the vehicle. The panel 12 is a cover that is exposed to the ceiling of the vehicle.

[0066] <Effects> The vehicle window glass 100 includes a glass plate 110 that is attached to the window frame 11 of the vehicle body 10 and has a through hole 110C (first through hole) that penetrates between a main surface 110A facing the outside of the vehicle cabin and a main surface 110B facing the inside of the vehicle cabin, and a spacer 120 that is provided between the inside of the through hole 110C and the main surface 110B facing the inside of the vehicle cabin and that holds, inside the through hole 110C, a fixed shaft 52 of an antenna device 50 that has a mounting surface 51A that abuts against the main surface 110A facing the outside of the vehicle cabin. In this way, with the mounting surface 51A of the antenna device 50 abutting against the main surface 110A on the outside of the vehicle cabin, the fixed shaft 52 is held by the spacer 120 provided across the inside of the through hole 110C and the main surface 110B on the inside of the vehicle cabin, so that the main surface 110A on the outside of the vehicle cabin of the glass plate 110 and the mounting surface 51A of the antenna device 50 abut over a wider area, allowing the antenna device 50 to be stably fixed.

[0067] Therefore, it is possible to provide a vehicle window glass 100 to which the antenna device 50 can be stably fixed.

[0068] Furthermore, the spacer 120 may have a first portion 121 provided inside the through hole 110C and a second portion 122 abutting against the main surface 110B on the interior side of the vehicle. By using such a spacer 120 having the first portion 121 and the second portion 122, it is possible to provide a vehicle window glass 100 to which the antenna device 50 can be more stably fixed. Furthermore, by fitting the first portion 121 inside the through hole 110C, it is possible to achieve a waterproofing measure between the first portion 121 and the through hole 110C and to prevent damage to the edge of the through hole 110C and other portions of the glass plate 110.

[0069] Furthermore, the second portion 122 may be flat. The flat shape of the second portion 122 allows the spacer 120 to be stably attached to the main surface 110B on the interior side of the vehicle. Therefore, with the mounting surface 51A of the antenna device 50 abutting against the main surface 110A on the exterior side of the vehicle, the fixed shaft 52 is held by the spacer 120 stably fixed to the glass plate 110, thereby allowing the antenna device 50 to be fixed more stably.

[0070] Moreover, the spacer 120 may further have through holes 121A and 122A (second through holes) that pass through the first portion 121 and the second portion 122 along the penetration direction of the through hole 110C, and the fixing shaft 52 may be inserted through the through holes 121A and 122A. By inserting the fixing shaft 52 through the through holes 121A and 122A of the first portion 121 and the second portion 122, rattle and the like of the antenna device 50 can be effectively suppressed, and the antenna device 50 can be fixed even more stably.

[0071] The opening shape of through holes 121A and 122A may be circular or rectangular, but may be any shape as long as it matches the shape of fixed shaft 52 in a plan view. Note that the shape of fixed shaft 52 in a plan view may refer only to the shape of fixed shaft 52 in a plan view, or may include the shape of fixed shaft 52 in a plan view and the shape of the outlet portion of the coaxial cable. By inserting fixed shaft 52 having a shape that matches the shapes of through holes 121A and 122A into through holes 121A and 122A, rattle and the like of antenna device 50 can be effectively suppressed, and antenna device 50 can be fixed more stably.

[0072] The antenna device 50 may further include a metal plate 130 disposed on the surface of the second portion 122 opposite to the first portion 121, the metal plate 130 having a through hole 130A (third through hole) through which the fixing shaft 52 is inserted. The fixing shaft 52 can be used to prevent the fastening force when fastening the antenna device 50 to the glass plate 110 from directly acting on the spacer 120, and the metal plate 130 can distribute the fastening force. Therefore, the antenna device 50 can be more firmly and stably fixed to the glass plate 110 with a stronger fastening force, and damage to the glass plate 110 due to the fastening force can be suppressed.

[0073] Furthermore, the metal plate 130 may be connected to a reference potential point. The metal plate 130 can block noise coming from inside the vehicle compartment, thereby improving the antenna characteristics of the antenna device 50.

[0074] The spacer 120 may be made of resin or metal. By firmly holding the fixed shaft 52 with the resin or metal spacer 120, the antenna device 50 can be fixed more stably.

[0075] The vehicle window glass 100A with an antenna includes an antenna device 50 having a mounting surface 51A and a fixed shaft 52 protruding from the mounting surface 51A, a glass plate 110 attached to the window frame 11 of the vehicle body 10 and having a through hole 110C penetrating between a main surface 110A facing the exterior of the vehicle cabin and a main surface 110B facing the interior of the vehicle cabin, and a spacer 120 provided between the interior of the through hole 110C and the interior-side main surface 110B and configured to hold the fixed shaft 52 of the antenna device 50, the fixed shaft 52 being in contact with the exterior-side main surface 110A, within the through hole 110C. In this manner, with the mounting surface 51A of the antenna device 50 in contact with the exterior-side main surface 110A, the fixed shaft 52 is held by the spacer 120 provided between the interior of the through hole 110C and the interior-side main surface 110B, thereby enabling the antenna device 50 to be stably fixed.

[0076] Therefore, it is possible to provide an antenna-equipped vehicle window glass 100A in which the antenna device 50 can be stably fixed to the vehicle window glass 100.

[0077] The vehicle 1 includes a vehicle body 10 and a vehicle window glass 100. The vehicle window glass 100 is attached to a window frame 11 of the vehicle body 10 and includes a glass plate 110 having a through hole 110C penetrating between a main surface 110A facing the exterior of the vehicle cabin and a main surface 110B facing the interior of the vehicle cabin, and a spacer 120 provided between the interior of the through hole 110C and the interior-side main surface 110B and configured to hold a fixed shaft 52 of an antenna device 50 within the through hole 110C. The fixed shaft 52 is held by the spacer 120 provided between the interior of the through hole 110C and the interior-side main surface 110B with the mounting surface 51A of the antenna device 50 abutting the exterior-side main surface 110A. This allows the antenna device 50 to be stably fixed.

[0078] Therefore, it is possible to provide a vehicle 1 in which the antenna device 50 can be stably fixed to the vehicle window glass 100.

[0079] <Vehicle Window Glass 100M1 According to First Modification of the Embodiment> FIG. 3 is a diagram showing an example of an exploded state of a vehicle window glass 100M1 according to a first modification of the embodiment.

[0080] The vehicle window glass 100M1 includes a glass plate 110, a spacer 120M, and a metal plate 130. The vehicle window glass 100M1 has a configuration in which the spacer 120 of the vehicle window glass 100 of the embodiment is replaced with the spacer 120M. Since the other configuration is the same as that of the vehicle window glass 100 of the embodiment, the same components are denoted by the same reference numerals and their description will be omitted.

[0081] 3 shows the antenna device 50, the glass plate 110, the spacer 120M, and the metal plate 130 from an obliquely upper side. In FIG. 3, the main surface 110A of the glass plate 110 facing the outside of the vehicle compartment is shown.

[0082] <Spacer 120M> The spacer 120M has a first portion 121M and a second portion 122M. The second portion 122M has a cylindrical portion 122M1 and a plate portion 122M2. The cylindrical portion 122M1 is separable from the plate portion 122M2 and is formed integrally with the first portion 121M. Therefore, the spacer 120M has a configuration that can be separated into the first portion 121M, the cylindrical portion 122M1, and the plate portion 122M2. The spacer 120M is preferably made of resin, but may also be made of a relatively soft metal such as aluminum.

[0083] The cylindrical portion 122M1 is a cylindrical portion around the through hole 122A of the second portion 122 of the spacer 120 of the vehicle window glass 100 of the embodiment. The plate portion 122M2 is the remaining portion of the second portion 122 of the spacer 120 of the vehicle window glass 100 of the embodiment excluding the cylindrical portion 122M1, and has a through hole 122M2A that accommodates the cylindrical portion 122M1.

[0084] By inserting the cylindrical portion 122M1 into the through-hole 122M2A, the shape of the spacer 120M in the state where the first portion 121M, the cylindrical portion 122M1, and the plate portion 122M2 are combined is the same as the shape of the spacer 120 of the vehicle window glass 100 of the embodiment.

[0085] The first portion 121M is a columnar portion that protrudes upward from the upper surface of the plate portion 122M2 of the second portion 122M when the cylindrical portion 122M1 is housed in the through-hole 122M2A of the plate portion 122M2, and is formed integrally with the cylindrical portion 122M1 as shown in Fig. 3. The first portion 121M is fitted into the inside of the through-hole 110C.

[0086] The first portion 121M has a through hole 121MA. The through hole 121MA is the same as the through hole 121A of the first portion 121 of the spacer 120 of the vehicle window glass 100 of the embodiment. The through hole 121MA accommodates the base 52A of the antenna device 50 (see FIGS. 1B and 2A ).

[0087] The cylindrical portion 122M1 has a through hole 122M1A that communicates with the through hole 121MA. The through holes 121MA and 122M1A are examples of second through holes. The through hole 122M1A is the same as the through hole 122A of the second portion 122 of the spacer 120 of the vehicle window glass 100 of the embodiment.

[0088] As described above, the spacer 120M can be separated into the first portion 121M, the cylindrical portion 122M1, and the plate portion 122M2. Therefore, when attaching the antenna device 50 to the glass plate 110, for example, the first portion 121M is fitted into the through-hole 110C of the glass plate 110, and the fixed shaft 52 is passed through the through-holes 121MA and 122M1A of the first portion 121M and the cylindrical portion 122M1. In this state, the cylindrical portion 122M1 can be inserted into the through-hole 122M2A of the plate portion 122M2.

[0089] That is, the first portion 121M is fitted into the through-hole 110C of the glass plate 110, and the cylindrical portion 122M1 is inserted into the through-hole 122M2A of the plate portion 122M2 with the first portion 121M and the cylindrical portion 122M1 attached to the antenna device 50. The antenna main body 51 can be fastened to the glass plate 110 by assembling a nut 53 to the lower end of the fixed shaft 52.

[0090] <Effects> The vehicle window glass 100M1 of the first modified embodiment includes a spacer 120M that can be separated into a first portion 121M, a cylindrical portion 122M1, and a plate portion 122M2. The state in which the first portion 121M, the cylindrical portion 122M1, and the plate portion 122M2 are combined is the same as that of the spacer 120 of the vehicle window glass 100 of the embodiment.

[0091] Therefore, when the mounting surface 51A of the antenna device 50 abuts against the main surface 110A on the outside of the vehicle cabin, the fixed shaft 52 can be held by the spacer 120M provided across the inside of the through hole 110C and the main surface 110B on the inside of the vehicle cabin, and the main surface 110A on the outside of the vehicle cabin of the glass plate 110 abuts against the mounting surface 51A of the antenna device 50 over a wider area, allowing the antenna device 50 to be stably fixed.

[0092] Therefore, it is possible to provide a vehicle window glass 100M1 to which the antenna device 50 can be stably fixed.

[0093] Furthermore, since the antenna device 50 can be separated into the first portion 121M and the cylindrical portion 122M1 and the plate portion 122M2, the fixed shaft 52 can be attached to the first portion 121M and the cylindrical portion 122M1, and then the antenna device 50 can be attached to the glass plate 110.

[0094] <Vehicle Window Glass 100M2 According to Second Modification of Embodiment> Fig. 4A is a diagram showing an example of a cross-sectional configuration of a vehicle window glass 100M2 according to a second modification of the embodiment. Figs. 4B and 4C are diagrams showing an example of an exploded view of the vehicle window glass 100M2.

[0095] The vehicle window glass 100M2 includes a glass plate 110, a spacer 220, and a metal plate 130. The vehicle window glass 100M2 has a configuration in which the spacer 120 of the vehicle window glass 100 of the embodiment is replaced with a spacer 220. In Figures 4A to 4C, the metal plate 130 is shown as an annular member having the same size as the spacer 220 in a plan view, but in the second modified example of the embodiment, the metal plate 130 may be an annular member and may have a configuration similar to that of the metal plate 130 shown in Figure 2A.

[0096] An antenna device 50M is attached to the vehicle window glass 100M2. The antenna device 50M includes an antenna main body 51, a fixed shaft 52, a nut 53, and a holding member 55.

[0097] 4A shows an example of a cross-sectional configuration of a vehicle window glass 100M2 to which an antenna device 50M is attached. In a second modified example of the embodiment, an antenna-equipped vehicle window glass 100A includes a vehicle window glass 100M2 and an antenna device 50M.

[0098] 4B shows the glass plate 110, the spacer 220, and the metal plate 130 from an obliquely upper side. Also, FIG. 4B shows the main surface 110A of the glass plate 110 facing the exterior of the vehicle cabin, as well as the fixed shaft 52, the nut 53, and the base 55A of the holding member 55 of the antenna device 50M.

[0099] 4C shows the glass plate 110, the spacer 220, and the metal plate 130 from an obliquely lower side. 4C also shows the main surface 110B of the glass plate 110 facing the interior (−Z direction side) of the vehicle, as well as the fixed shaft 52, the nut 53, and the holding member 55 of the antenna device 50M.

[0100] <Holding member 55> The holding member 55 is attached to the mounting surface 51A of the antenna main body 51, and is located between the mounting surface 51A and the main surface 110A on the exterior side of the vehicle cabin when the antenna device 50M is attached to the glass plate 110. The holding member 55 is a member that holds the antenna main body 51 against the glass plate 110.

[0101] The holding member 55 has a base portion 55A, a plate portion 55B, a convex portion 55C, an annular convex portion 55D, and a through hole 55E. The holding member 55 is preferably made of resin, but may also be made of a relatively soft metal such as aluminum.

[0102] The base portion 55A is a cylindrical portion located at the center of the holding member 55. When the antenna device 50M is attached to the glass plate 110, the lower surface of the base portion 55A abuts against a portion of the main surface 110A of the glass plate 110 facing the exterior of the vehicle cabin, surrounding the through-hole 110C. The plate portion 55B is a circular plate-like (disk-like) portion in a plan view, and is located above the base portion 55A.

[0103] The protrusion 55C is a cylindrical portion that protrudes downward from the center of the lower surface of the base 55A. The diameter of the protrusion 55C is smaller than the diameter of the base 55A. The central axes of the protrusion 55C and the base 55A are aligned. The size of the protrusion 55C in a plan view is matched to the size of the through-hole 110C in the glass plate 110 in a plan view. By fitting the protrusion 55C into the inside of the through-hole 110C, the gap between the protrusion 55C and the through-hole 110C can be sealed, providing a waterproofing measure.

[0104] The annular protrusion 55D is an annular protrusion provided on the underside of the plate portion 55B, and is formed in a ridge shape so as to surround the base portion 55A. The cross-sectional shape of the annular protrusion 55D is, for example, an inverted triangle. The cross-sectional shape of the annular protrusion 55D is not limited to an inverted triangle shape and may be, for example, a semicircular shape.

[0105] For example, the length in the Z direction that the annular protrusion 55D protrudes from the lower surface of the plate portion 55B is equal to the length in the Z direction that the base 55A protrudes from the lower surface of the plate portion 55B, but the length in the Z direction of the annular protrusion 55D may be longer than the length in the Z direction of the base 55A. When the length in the Z direction of the annular protrusion 55D is longer than the length in the Z direction of the base 55A, the annular protrusion 55D is in close contact with the main surface 110A of the glass plate 110 on the exterior side of the vehicle cabin, thereby sealing the inner portion of the annular protrusion 55D in a plan view.

[0106] 4A and 4B, the through-hole 55E penetrates in the Z direction through the center of the holding member 55 in a plan view. The fixed shaft 52 is inserted through the through-hole 55E.

[0107] <Spacer 220> The spacer 220 is, for example, a circular member having a through-hole 220A penetrating in the Z direction. Note that the spacer 220 is not limited to a circular member as long as it is a circular member. For example, the size of the spacer 220 in a plan view is approximately equal to that of the base 55A of the holding member 55, but the spacer 220 may be larger or smaller than the base 55A.

[0108] The size of through hole 220A in a plan view is, for example, the same as the size of protrusion 55C. By fitting the lower end of protrusion 55C halfway into through hole 220A, the gap between protrusion 55C and through hole 220A can be sealed, providing a waterproofing measure. Note that protrusion 55C only needs to be located inside through hole 110C of glass plate 110, and its length in the Z direction may be shortened to the extent that it does not reach the inside of through hole 220A.

[0109] <Assembling the antenna device 50M to the vehicle window glass 100> The holding member 55 is placed under the antenna main body 51, the protrusion 55C is fitted into the through hole 110C of the glass plate 110, and the lower end of the protrusion 55C is fitted into the through hole 220A of the spacer 220. In this state, the metal plate 130 is placed under the spacer 220. Then, by assembling the nut 53 to the lower end of the fixed shaft 52, the antenna main body 51 can be fastened to the glass plate 110.

[0110] <Effects> The vehicle window glass 100M2 is attached to the window frame 11 of the vehicle body 10, and includes a glass plate 110 having a through hole 110C that penetrates between a main surface 110A facing the exterior of the vehicle cabin and a main surface 110B facing the interior of the vehicle cabin, an antenna main body 51, a holding member 55 that is provided between the antenna main body 51 and the exterior main surface 110A of the vehicle cabin and has a protrusion 55C that protrudes into the through hole 110C, and a spacer 220 that holds a fixed shaft 52 of the antenna device 50M that has a fixed shaft 52 extending from a tip of the protrusion 55C, the spacer 220 abutting against the interior-side main surface 110B.

[0111] In this way, the antenna main body 51 is stably attached to the main surface 110A on the outside of the vehicle cabin by the holding member 55, and the fixed shaft 52 is held by the spacer 220 abutting the main surface 110B on the inside of the vehicle cabin, so that the antenna device 50 can be stably fixed.

[0112] Therefore, it is possible to provide a vehicle window glass 100M2 to which the antenna device 50 can be stably fixed.

[0113] <Vehicle Window Glass 100M3 According to Third Modification of Embodiment> Fig. 5 is a diagram showing an example of a cross-sectional configuration of a vehicle window glass 100M3 according to a third modification of the embodiment. Fig. 5 is a diagram showing an example of the cross-sectional configuration corresponding to Fig. 2A.

[0114] The vehicle window glass 100M3 includes a glass plate 110, a spacer 120M3, and a metal plate 130M3. Differences from the configuration of the vehicle window glass 100 shown in Figure 2A will be described below.

[0115] The vehicle window glass 100M3 differs from the vehicle window glass 100 shown in Fig. 2A in that it has a configuration corresponding to the anchor bolt 52M and the coaxial cable 60. The anchor bolt 52M and the base 52A are an example of a fixed shaft.

[0116] The through-hole 121A of the spacer 120M3 is larger in plan view than the through-hole 121A of the spacer 120 shown in FIG. 2A , and a coaxial cable 60 is passed through it in addition to the base 52A. The coaxial cable 60 has a core wire connected to an antenna element provided inside the antenna main body 51 and a shield wire connected to a ground layer. Two through-holes 122A are provided in the spacer 120M3 corresponding to the anchor bolts 52M and the coaxial cables 60, and each through-hole 122A is connected to a lower portion of one of the through-holes 121A. Note that the through-hole 121A may be divided into two, one for the base 52A and the other for the coaxial cable 60, and one through-hole 122A may be connected to each of the two through-holes 121A.

[0117] The metal plate 130M3 also has two through holes 130A corresponding to the anchor bolts 52M and the coaxial cable 60. The two through holes 130A are aligned with the base 52A and the two through holes 122A through which the coaxial cable 60 is passed.

[0118] When fixing the antenna device 50 to the vehicle window glass 100M3, first, the upper end of the anchor bolt 52M is welded to the base 52A to fix it, and with the spacer 120M3 and the metal plate 130M3 aligned, the coaxial cable 60 and the anchor bolt 52M are inserted from above into one of the through holes 130A and 122A, and the base 52A and the coaxial cable 60 are passed through the through hole 121A. Then, the anchor of the anchor bolt 52M spreads out on the underside of the spacer 120M3, thereby fixing the antenna device 50 to the vehicle window glass 100M3.

[0119] The opening shapes of the through holes 121A and 122A of such a spacer 120 match the shapes, in plan view, of the base 52A, the anchor bolt 52M, and the coaxial cable 60. More specifically, the opening shape of the through hole 121A matches the shapes, in plan view, of the base 52A and the coaxial cable 60, and the opening shape of the through hole 122A matches the shapes, in plan view, of the anchor bolt 52M and the coaxial cable 60.

[0120] In this way, with the mounting surface 51A of the antenna device 50 abutting against the main surface 110A on the outside of the vehicle cabin, the anchor bolt 52M and the base 52A are held by the spacer 120M3 provided between the inside of the through hole 110C and the main surface 110B on the inside of the vehicle cabin, so that the main surface 110A on the outside of the vehicle cabin of the glass plate 110 abuts against the mounting surface 51A of the antenna device 50 over a wider area, allowing the antenna device 50 to be stably fixed.

[0121] Therefore, it is possible to provide the vehicle window glass 100M3 to which the antenna device 50 can be stably fixed. Furthermore, it is possible to provide the vehicle window glass 100M3 to which the antenna device 50 can be stably fixed with the coaxial cable 60 passed through in addition to the anchor bolt 52M and the base 52A. Note that the through hole 121A or 122A may include a structure such as a claw for temporarily fixing the coaxial cable 60 inside.

[0122] Although exemplary vehicle window glass, vehicle window glass with antenna, and vehicle according to the present disclosure have been described above, the present disclosure is not limited to the specifically disclosed embodiments, and various modifications and changes are possible without departing from the scope of the claims.

[0123] This international application claims priority based on Japanese Patent Application No. 2023-144336, filed on September 6, 2023, the entire contents of which are incorporated herein by reference.

[0124] DESCRIPTION OF SYMBOLS 1 Vehicle 10 Vehicle body 11 Window frame 50, 50M Antenna device 51 Antenna body 51A Mounting surface 52 Fixed shaft 52M Anchor bolt (together with base 52A, an example of a fixed shaft) 53 Nut 55 Holding member 55C Convex portion 60 Coaxial cable 100, 100M1, 100M2, 100M3 Vehicle window glass 100A Vehicle window glass with antenna 110 Glass plate 110A Main surface on the outside of the vehicle compartment 110B Main surface on the inside of the vehicle compartment 110C Through hole (an example of a first through hole) 115 Ceramic layer (an example of a shielding layer) 120, 120M, 120M3, 220 Spacer 120A, 220A Through hole 121 First portion 122 Second portion 121A, 122A Through holes (examples of second through holes) 121MA, 122M1A Through holes (examples of second through holes) 130, 130M3 Metal plate 130A Through hole

Claims

1. A vehicle window glass comprising: a glass plate attached to a window frame of a vehicle body, the glass plate having a first through hole passing between a main surface facing the outside of the vehicle cabin and a main surface facing the inside of the vehicle cabin; and a spacer provided between the inside of the first through hole and the main surface facing the inside of the vehicle cabin, the spacer having a mounting surface abutting the main surface facing the outside of the vehicle cabin and holding a fixed shaft of an antenna device inside the first through hole.

2. A vehicle window glass as claimed in claim 1, wherein the spacer has a first portion provided inside the first through hole, and a second portion abutting the main surface facing the interior of the vehicle.

3. A vehicle window glass as claimed in claim 2, wherein the spacer further has a second through hole passing through the first portion and the second portion in a penetrating direction of the first through hole, and the fixed shaft is inserted into the second through hole.

4. The vehicle window glass according to claim 3, wherein the opening shape of the second through hole matches the shape of the fixed shaft in a plan view.

5. A vehicle window glass as described in claim 3, wherein a coaxial cable connected to the antenna device is inserted into the second through hole together with the fixed shaft, and the opening shape of the second through hole matches the shapes of the fixed shaft and the coaxial cable in a plan view.

6. A vehicle window glass as claimed in any one of claims 3 to 5, further comprising a metal plate arranged over the surface of the second part opposite to the first part and having a third through hole through which the fixed shaft is inserted.

7. A vehicle window glass according to any one of claims 2 to 6, wherein the second portion is flat.

8. A vehicle window glass according to any one of claims 1 to 7, wherein the spacer is made of resin or metal.

9. A vehicle window glass comprising: a glass plate attached to a window frame of a vehicle body, the glass plate having a first through hole penetrating between a main surface facing the outside of the vehicle compartment and a main surface facing the inside of the vehicle compartment; an antenna body; a retaining member provided between the antenna body and the main surface facing the outside of the vehicle compartment and having a protrusion protruding into the first through hole; and a spacer for retaining a fixed shaft of an antenna device having a fixed shaft extending from a tip of the protrusion, the spacer abutting the main surface facing the inside of the vehicle compartment.

10. A vehicle window glass with an antenna, comprising: an antenna device having a mounting surface and a fixed shaft protruding from the mounting surface; a glass plate attached to a window frame of a vehicle body, the glass plate having a first through hole passing between a main surface facing the outside of the vehicle compartment and a main surface facing the inside of the vehicle compartment; and a spacer provided between the inside of the first through hole and the main surface facing the inside of the vehicle compartment, the spacer holding the fixed shaft of the antenna device, the mounting surface of which abuts against the main surface facing the outside of the vehicle compartment, inside the first through hole.

11. A vehicle comprising: a vehicle body; and a vehicle window glass, wherein the vehicle window glass is attached to a window frame of the vehicle body, and has a glass plate having a first through hole passing between a main surface facing the outside of the vehicle compartment and a main surface facing the inside of the vehicle compartment, and a spacer which is provided between the inside of the first through hole and the main surface facing the inside of the vehicle compartment, and which holds a fixed shaft of an antenna device inside the first through hole, the fixed shaft having a mounting surface abutting the main surface facing the outside of the vehicle compartment.

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