JP2003096726A - Marker light - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a marker light which is made lighter and thinner. SOLUTION: The marker light 11 is of an embedded type, which is constructed by combining a base stand 12 and a lighting body 14 which is a combination between an upper lighting body 41 and a lower lighting body 42. A fixture 44 for fixing the upper and lower lighting bodies 41, 42 is screwed into a lighting body flange portion on the periphery of the lighting body from below, and the base stand 12 has a base flange portion 25 for mounting the lighting body flange portion thereon. The lighting body flange portion makes intimate contact with the base flange portion 25 to thereby ensure airtightness between the flange portions.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a marker lamp including a base and a lamp body.

[0002]

2. Description of the Related Art Conventionally, an embedded type indicator light which is embedded and installed on a road surface such as a runway or a taxiway of an airport has been used. This type of indicator lamp includes a bottomed, substantially cylindrical base that is embedded in the road surface and a lamp body that is detachably attached to the base. The lamp body includes, for example, as shown in FIG. 5, an upper lamp body 2 and a lower lamp body 3 attached to a lower side of the upper lamp body 2, a lamp (not shown), an annular lens 4, It is provided with a pair of upper and lower gaskets 5 and 6 which are in close contact with the lens 4.

A screw hole 2a opening on the lower surface is provided around the central portion of the upper lamp body 2, and an attachment penetrating vertically in the lower lamp body 3 facing the screw hole 2a. A hole 3a is provided. Then, the mounting bolts 8 are inserted into the mounting holes 3a through the plain washers 7, and further screwed into the screw holes 2a through the inner side of the annular lens 4, so that the upper and lower lamp bodies 2 and 3 are separated. Fixed to each other.

[0004]

As described above, in the structure in which the upper and lower lamp bodies are fixed around the central portion, the bolts are arranged around the central portion of the lamp body, and the screw holes 2a and the mounting holes 3a are provided. Therefore, there is a problem that it is difficult to reduce the thickness of the lamp body especially in a small-sized marker lamp as compared with a large-sized marker lamp.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a marker lamp which can prevent the fixing tool from coming off and can be easily reduced in size and thickness.

[0006]

According to a first aspect of the present invention, there is provided a marker lamp including: an upper lamp body; and a lower lamp body disposed below the upper lamp body; and a lower lamp body as an upper portion. A base provided with a fixture for fixing to the lamp body; a light source housed in the lamp body; a lamp body housing portion at least a part of which is housed in the lamp body; and a facing portion located below the fixture. And;

The base is embedded in the road surface such as a runway or taxiway at an airport. Further, the light source includes, for example, an incandescent lamp, a discharge lamp, a light emitting diode and the like.

Further, in this structure, since the facing portion of the base is located under the fixing tool, even when vibration is applied,
The fixing tool is prevented from coming off.

A marker lamp according to a second aspect of the present invention is the marker lamp according to the first aspect, wherein the fixture is arranged on the outer peripheral portion of the lamp body.

In this structure, the fixing tool and the structure connected to the fixing tool are arranged on the outer peripheral portion of the lamp body, so that the space for arranging the light source on the inner peripheral portion of the lamp body is easily secured. Easy to make smaller and thinner.

According to a third aspect of the present invention, in the marker light according to the first or second aspect, the fixture is embedded in the lamp body.

With this structure, the portion of the lamp body in which the fixture is arranged can be brought into close contact with the base, and the airtightness between the lamp and the base can be easily improved.

The marker lamp according to claim 4 is the marker lamp according to any one of claims 1 to 3, wherein the fixture is attached and detached from the lower side of the lamp body.

With this structure, the number of parts arranged on the upper side, that is, the outer surface of the lamp body is reduced, and the marker lamp suitable for the embedded type is provided.

According to a fifth aspect of the present invention, in the marker light according to any one of the first to fourth aspects, the facing portion is provided on an annular base flange portion that supports the lamp body.

In this structure, the base flange portion stably supports the lamp body and is in close contact with the lamp body, so that the airtightness is easily improved.

The marker lamp according to claim 6 is the marker lamp according to any one of claims 1 to 5, which is provided on the lamp body side and which supports a power receiving terminal electrically connected to the light source and the power receiving terminal. A power receiving terminal base provided with a power receiving terminal base; a power feeding terminal provided on the base side and electrically slidably connected to the power receiving terminal; and a power feeding terminal supporting the power feeding terminal and externally connected to the lamp body. A power feeding terminal base provided with a power receiving terminal pedestal opposed to the power receiving terminal pedestal through a gap in a state where no load is applied.

In this structure, electric power is supplied to the light source of the lamp body from the base side by connecting the power receiving terminal block and the power feeding terminal block. When a force is applied to the lamp body and it is pressed against the base side, the deformation of the lamp body is absorbed by the change in the gap between the power receiving terminal base and the power supplying terminal base and the sliding contact between the power receiving terminal and the power supplying terminal. Marking lights are easily protected.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a marker lamp of the present invention will be described below with reference to the drawings.

FIG. 1 is a sectional view in an exploded state showing an embodiment of a marker lamp of the present invention. FIG. 2 is a sectional view of the above-mentioned indicator lamp. FIG. 3 is a plan view of the base of the above-mentioned indicator lamp. FIG. 4 is an explanatory view showing a state in which the base of the above-mentioned indicator lamp is installed on the road surface. FIG. 5 is an explanatory view showing a conventional marker lamp.
(a) is an exploded perspective view with a part cut away as seen from the upper side, and (b) is an exploded perspective view with a part cut away as seen from the lower side. Figure 6
FIG. 7 is a cross-sectional view showing another embodiment of the marker lamp of the present invention. FIG. 7 is a plan view of a base showing still another embodiment of the marker lamp of the present invention. Fig. 8 is the same as Fig. 7 of the base of the indicator light.
3 is an I-O-II sectional view of FIG. FIG. 9 is a cross-sectional view of the base of the indicator lamp, taken along line III-O-IV-V-VI in FIG. FIG. 10 is a side view of the base of the indicator lamp shown in FIG. Figure 11
FIG. 6 is a bottom view of a power receiving terminal block showing still another embodiment of the marker lamp of the present invention. FIG. 12 is a cross-sectional view of the above power receiving terminal block. FIG. 13 is an explanatory diagram of the above power receiving terminal block. (a)
Is a partially enlarged bottom view, (b) is a sectional view taken along line VIII-VIII of (a), and (c) is a sectional view taken along line IX-IX of (a). FIG. 14 is an explanatory diagram showing a comparative example of the above power receiving terminal block. (a) is a partially enlarged bottom view, (b) is a sectional view taken along line VIII-VIII of (a), (c) is I of (a).
It is an X-IX sectional view. FIG. 15 is a plan view of a base showing still another embodiment of the marker lamp of the present invention. FIG. 16 is a sectional view of the base of the above-mentioned indicator lamp. FIG. 17 is an enlarged cross-sectional view of a part of the base of the above-mentioned indicator lamp. FIG. 18 is a partially enlarged cross-sectional view showing a comparative example of the base of the above-mentioned indicator lamp.

In FIG. 1 to FIG. 4, 11 is a marker lamp,
The beacon 11 constitutes an airport system, and is also called an aviation beacon or an embedded aviation beacon, and is embedded in a road surface G such as an airport runway or taxiway as an installation section. A thin aviation marker light to be installed, which irradiates a light beam in one direction or a plurality of directions, for example, two symmetrical directions to indicate the center line of the runway.
The indicator lamp 11 is embedded in a predetermined position on a road surface G such as an airport runway, that is, a base 12 installed on the underground surface of the site.
And a lamp body 14 which is detachably attached to the base 12 from above, that is, is attached so as to be covered.

The base 12 is a so-called thin base formed of, for example, a casting such as an aluminum alloy, and has a cylindrical peripheral surface portion 21 and a bottom surface portion 22 that covers the bottom portion of the peripheral surface portion 21. And are integrally formed. And this base
Inside the lamp 12, there is formed a lamp housing 23 having an open upper side. Further, on the inner side of the peripheral surface portion 21, a base flange portion 25 is provided in an annular shape so as to protrude toward the inner peripheral side, and the upper surface of the base flange portion 25 forms a smooth flat surface as the facing portion 26 which is a step portion. Has been formed. On the other hand, below the base flange portion 25, a wiring housing portion 27 is provided in a substantially annular shape. Further, a plurality of mounting bolts B for mounting the lamp body 14 are provided on the upper surface of the facing portion 26 so as to face upward. Furthermore, it is located below the base flange portion 25, penetrates from the wiring housing portion 27 to the outside of the peripheral surface portion 21, and a base terminal block mounting hole 28 is formed. The base terminal block 29 is hermetically attached. Further, the bottom surface portion 22 is provided with a power feeding terminal block mounting portion, and the power feeding terminal block 30 is fixed to the power feeding terminal block mounting portion. Then, an electric wire (power supply line) W1 is externally connected to a terminal portion on the outside of the base terminal block 29, and a terminal portion on the inside of the base terminal block 29 is arranged along the wiring accommodating portion 27.
(Internal lead wire) W2 is connected to the power supply terminal block 30.

The lamp body 14, which is also called a lamp, includes a lamp body 33, a light source L housed in the lamp body 33, an optical system 35, and the like. Then, the lamp body 33 is
An upper lamp body 41 and a lower lamp body 42 formed by being attached to the lower part of the upper lamp body 41 are provided to form a disc shape as a whole, and the lower side portion is inserted into the lamp body storage portion 23 of the base 12. In this state, the outer peripheral portion is placed on the facing portion 26 of the base 12, and the mounting bolt B of the base 12 penetrating the outer peripheral portion is screwed with a nut from the upper side to tighten the lamp body 14 to It is attached to the base 12. Further, in this state, the smooth surface of the lower surface of the outer peripheral portion of the lamp body 33 is in close contact with the smooth surface of the upper surface of the facing portion 26, and the O-ring gasket 43 which is an O-ring which is fitted into the lamp body 33 is a sealing means. Adheres to the inner peripheral end of the base flange portion 25, and the lamp housing portion 23 is hermetically sealed. Further, the lower lamp body 42 is attached to the upper lamp body 41 by a fixture 44, and a component storage space 46 that is hermetically sealed is formed between the upper lamp body 41 and the lower lamp body 42. The component storage space 46 is partitioned into two compartments by the partition wall portion.

The upper lamp body 41 is formed of, for example, a casting such as an aluminum alloy, and has an upper surface portion 48 having a substantially circular planar shape with its upper surface being a substantially flat surface. An upper outer peripheral portion 49, which is a flange portion whose upper surface is inclined downward toward the edge portion, is provided. The lower surface of the upper outer peripheral portion 49 is formed into a smooth flat surface. Further, a bolt hole through which the mounting bolt B vertically penetrates is formed in the upper outer peripheral portion 49, and further, a nut accommodating portion which surrounds the upper portion of each bolt hole and in which a nut screwed with the bolt is arranged is provided as a recess. Has been done. Further, on the lower surface of the upper outer peripheral portion 49, there is formed a bottomed screw hole 51 which is a fixture attachment portion opening downward. Further, below the upper surface portion 48, a lens housing portion 54 and a lamp housing portion 55 adjacent to and communicating with the lens housing portion 54 are formed corresponding to the respective compartments of the component housing space 46. And each lens storage part 54
Tilts outward from the lamp housing 55, and the upper lamp body 41
A window hole 56 communicating with the outside is formed. Each lens housing portion 54 houses a block-shaped lens 57 that constitutes the optical system 35 and a lens holder 58 that holds the lens 57. And this lens holder 58
Is a frame-shaped lens holding part 59 that holds the periphery of the lens 57.
And a mounting portion 60 which is bent from the lower end portion of the lens pressing portion 59 and arranged along the lower side of the lens housing portion 54. The mounting portion 60 is formed by a mounting means such as a screw. It is fixed to the upper lamp body 41.

The lower lamp body 42, which is also called a lamp cover, is formed of, for example, a casting such as an aluminum alloy, and has a bottom surface 71 having a planar circular shape and an outer peripheral portion of the bottom surface 71. A substantially cylindrical peripheral surface portion 72 and a lower peripheral portion 73, which is an annular plate shape or a flange portion protruding from the upper end of the peripheral surface portion 72 to the outer peripheral side, are integrally formed. The mounting bolt B is attached to the lower outer peripheral portion 73.
Through holes for bolts are formed at a plurality of places. Further, on the lower outer peripheral portion 73, there is formed a fixture attachment portion 75 which is a hole through which the shaft portion of the fixture 44 inserted from below is inserted and at which a large-diameter head portion is locked. In addition, a lamp mounting portion 77 is formed in substantially the center of the bottom surface portion 71 corresponding to each of the compartments, and is located on the opposite side of the lens housing portion 54 of the upper lamp body 41 to mount the power receiving terminal block. The portion 78 is formed, and a plurality of escape recesses 80 are formed to avoid other members and screws.

A lamp holder 82 is attached to the lamp attaching portion 77, and a light source L which is a lamp integrally provided with a reflecting mirror 84 which constitutes an optical system is attached to the lamp holder 82. Furthermore, the base of this light source L is
The lamp socket 86 is installed. A power receiving terminal block 88 is attached to the power receiving terminal block mounting portion 78 and electrically connected to the lamp socket 86.

Further, the fixing member 44 is a screw, that is, a locking screw, and in the present embodiment, the fixing member 44 is constituted by a flat head screw having a dish shape. And this fixture 44
Is inserted into the fixture mounting portion 75 from the lower side, that is, the lower lamp body 42 side, is screwed into the screw hole 51 of the upper lamp body 41 and tightened, and the upper outer peripheral portion 49 and the lower outer peripheral portion 73 are hermetically adhered to each other. Thus, the lamp body flange portion 89 is formed, and the upper lamp body 41 and the lower lamp body 42 are fixed.

Then, with the upper lamp body 41 and the lower lamp body 42 fixed, the dish-shaped head is a fixture mounting portion of the lower lamp body 42.
It is embedded in 75, that is, the end face of the head is flush with the lower surface of the lower outer peripheral portion 73 of the lower lamp body 42, or is buried from the lower surface (flange surface) of the lower outer peripheral portion 73. In the form, the end face of the head is set to be buried by at least 0.5 mm from the lower surface of the lower peripheral portion 73 of the lower lamp body 42.

While the lower lamp body 42 is fixed to the upper lamp body 41 by this fixture 44, the smooth surface of the lower surface of the upper outer peripheral portion 49 and the smooth surface of the upper surface of the lower outer peripheral portion 73 are in close contact with each other, and An O-ring gasket 90, which is an O-ring that is a sealing means fitted in the upper lamp body 41, is in close contact with the inner peripheral end of the lower outer peripheral portion 73 of the lower lamp body 42, and the component storage space 46 is hermetically sealed. .

A power supply terminal block mounted on the base 12
30 includes a power supply terminal pedestal 91 having an insulating property, which is attached to the upper surface of the bottom surface portion 22, and wiring is provided inside a pair of square-hole-shaped connection holes 92 formed in the power supply terminal pedestal 91 and opening upward. A power supply terminal 93 connected to is provided.
Further, a pair of boss-shaped positioning receiving portions 95 are provided on the power supply terminal base 91 so as to project upward, and the positioning receiving portions 95 are provided with circular hole-shaped positioning holes 96 that open upward. There is. The positioning receiving portion 95 can also be provided so as to project in a rod shape.

On the other hand, the power receiving terminal block 88 attached to the lower lamp body 42 of the lamp body 14 has an insulating power receiving terminal base 101 attached to the lower surface side of the bottom surface portion 71 of the lower lamp body 42. A pair of rectangular rod-shaped power receiving terminals 103 protruding downward and a pair of round bar-shaped positioning portions 105 protruding downward are fixed to the power receiving terminal base 101. Further, the power receiving terminal 103 penetrates the bottom surface portion 71 of the lower lamp body 42 and is electrically connected to the connector 107 located above the bottom surface portion 71, that is, in the component storage space 46. The connector 107 is electrically connected to the lamp socket 86 by internal wiring (not shown).

When the marker lamp 11 is installed, a buried hole (boring hole) G1 having an inner diameter larger than the diameter of the base 12 is formed at the place where the road surface G is installed, and power is supplied to the buried hole G1. Pull in the electric wire (external lead wire) W1. The electric wire W1 is electrically connected to a power transformer installed in the outer shell of the runway or the guideway, and is arranged in a groove G2 formed on the road surface G or the like. And
Connect this wire W1 to the base terminal block 29 of the base 12,
After being installed in the embedding hole G1, a gap between the outer peripheral surface of the base 12 and the embedding hole G1 is filled and fixed with a filling material such as resin or concrete.

Then, the base 12 is covered with a light body 14 in which an upper light body 41 and a lower light body 42 are combined in advance from above, and a light body flange portion 89 is placed on a base flange portion 25. At the same time, by tightening the nut on the mounting bolt B penetrating the lamp body flange portion 89 of the lamp body 14, the base of the lamp body 14 is fixed.
Electrical and mechanical connections to 12 are complete. That is,
When the lamp body 14 is assembled to the base 12, the positioning is performed by inserting the positioning portion 105 of the power receiving terminal block 88 into the positioning receiving portion 95 of the power feeding terminal block 30, and the power receiving terminal 93 is positioned at the power feeding terminal 93.
3 are mechanically and electrically connected. In this state, the electric wire W1 for power supply is supplied to the light source L through the base terminal block 29, the wiring W2, the power supply terminal block 30, the power receiving terminal block 88, the internal wiring, and the lamp socket 86, and the light source L is turned on. It will be possible.

As described above, according to the marker lamp 11 of the present embodiment, the marker lamp having the lamp body 14 in which the upper lamp body 41 and the lower lamp body 42 mounted below the upper lamp body 41 are combined is provided. In 11, the fixing tool 44, which is a locking screw for locking the upper lamp body 41 and the lower lamp body 42 to each other, is attached and detached from the lower lamp body 42 side, that is, from the lower side, and the fixing tool 44 is attached to the lamp body. 14 are arranged on the upper outer peripheral portion 49 and the lower outer peripheral portion 73 which constitute the lamp body flange portion 89 on the outer peripheral side of 14, and the fixture 44 is further attached to the lamp body 14.
It can be buried inside. Therefore, as compared with the mounting (locking) of the upper lamp body 41 and the lower lamp body 42 by the screw mounting structure (screw locking structure) provided around the central portion of the lamp body 14, a light source that is a lamp in the central portion The optical unit including the L and the reflecting mirror 84 can be arranged with a sufficient space, that is, most of the central space can be occupied by the optical unit, and the lamp body 14, that is, the marker lamp 11 can be easily thinned. And can be miniaturized. That is, even the small lamp body 14 can be easily thinned, and a thin small lamp can be provided.

Further, since the fixing member 44 is attached and detached from the lower side of the lamp body 14, it is possible to suppress the members arranged on the outer surface of the lamp body 14, that is, the marker lamp 11, and to fix it to a moving body such as an aircraft which moves on the road surface G. The influence can be suppressed.

Further, the flange portion on the outer peripheral portion of the lamp body 14 is a portion that adheres to the base flange portion 25 of the base 12 to maintain airtightness, and it is necessary to secure the smoothness of the lower surface of this flange portion. However, in the present embodiment, the fixing tool 44 is a flat head screw which is a locking screw, and the head of the flat head screw does not protrude from the smooth surface of the flange portion, and further, it is located at a recessed position of about 0.5 mm. Since the screw is set so that even if some dust adheres to the head of the screw, the smooth surface of the flange can be held and the airtightness can be easily ensured.

On the other hand, since the facing portion 26 of the base flange portion 25 exists below the fixing tool 44, the fixing tool 44 is removed and the base is
It is possible to easily prevent it from falling inside 12.

The base 12 has a base terminal block mounting hole (mounting hole for external electrical connection terminal) 28 below the base flange portion 25.
Since the base terminal block (external electrical connection terminal) 29 is attached to the base terminal block mounting hole 28, the base terminal block 29 is positioned near the bottom surface portion 22, that is, the wiring W2 is attached to the bottom surface portion 22. Thus, the wiring W2 can be easily routed inside the base 12, and the lamp body 14 can be mounted on the base 12 with good workability so as not to sandwich the wiring W2.

It should be noted that the thin embedded type light body 14 or light body
In the case of using the base 14 and the base 12, a buried hole G1 having a diameter 5 mm to 10 mm larger than the diameter of the lamp body 14 (and the base 12) is formed, and the base 12 is installed in the buried hole G1. Body 14
Electric wire W1 for supplying electric power is a groove formed by cutting concrete or asphalt from the power transformer installed on the outer shell of the runway or taxiway to the indicator light 11.
When the wiring is performed in G2 by a so-called cut adhesion method, the installation depth of the base 12 is deeper than the depth of the groove portion G2. Therefore, in consideration of the external wiring work, it is desirable that the position of the base terminal portion for connection with the external electric wire W1 is located above the base 12. However, due to its thin shape, the space available for wiring inside the base 12 is small, and the wiring W2 floats inside the base 12 due to its thin shape. Then, when installing the lamp body 14 on the base 12, it is necessary to prevent the wiring W2 from being sandwiched between the lamp body 14 and the base 12, but in the present embodiment,
It is difficult to sandwich the wiring W2 with other members, and workability can be improved.

In the above embodiment, the marker lamp
In the case of an embedded aviation marker light system, for example, 11 is a load applied when an aircraft as a moving body passes by. Therefore, as shown in FIG. 6, a terminal for supplying electric power to the light source L by connecting the power receiving terminal block 88 provided on the side of the lamp body 14 and the power feeding terminal block 30 provided on the side of the base 12 which are arranged above and below each other. In the stand structure, each terminal 103, 93 of these terminal blocks 88, 30
Is vertically slidably coupled as a terminal blade and a blade receiving structure, and in a state in which these terminals 103 and 93 are coupled, between the pedestals 101 and 91 of the terminal blocks 88 and 30 which are vertically opposed to each other. By setting the gap A having a predetermined dimension, the load stress applied from the lamp body 14 to the terminal block structure can be eliminated or reduced as compared with the structure without such a gap, and this terminal block structure can be easily protected. . further,
By setting the size of the gap A to be at least 0.5 mm, the terminal block structure can be reliably protected.

Further, in the above embodiment, the base 12
Positioning means (base internal wire locking means) for locking and positioning the wire W2, which is an internal wire, is provided inside the
By fixing the position of the wiring W2 inside the base 12, maintenance work inside the base 12 and installation work of the lamp body 14 can be facilitated.

On the other hand, outside the base 12, a positioning means (base external wire locking means) for locking and positioning the electric wire W1 which is an external electric wire is provided, and the electric wire W1 outside the base 12 is provided.
By fixing the position of, the load applied to the connecting portion between the electric wire W1 and the base terminal portion 29 can be suppressed and the connecting portion can be protected.

For example, as shown in FIGS. 7 to 9, the positioning means for the wiring W2, which is an internal electric wire, has a base 1
A first lock 121 can be provided which attaches to the inside of the 2. The first locking member 121 is formed of a metal having spring properties, and has a rectangular mounting portion 122 that is mounted on the bottom surface portion 22 and an elastically deformable portion that is bent and protrudes from the mounting portion 122. And a locking portion 123. Then, the first locking member 121 has a single or plural, in the present embodiment, three or more along the wiring housing portion 27 in which the wiring W2 is arranged.
It is located in various places. The wiring W2 requires a certain length dimension in order to facilitate the replacement work in the case where a problem occurs in the power supply terminal block 30 or the like. In the configuration in which the wiring W2 is disposed at the location, the wiring W2 may be an obstacle during the maintenance work inside the base 12, and the base 1
When installing the lamp body 14 in 2, it is necessary to work carefully so that the wiring W2 is not caught between the base 12 and the lamp body 14, and there is a problem that the work becomes complicated. According to the embodiment shown in FIG. 7 and the like, the base 12 is provided with a locking means for the wiring W2, and the wiring W2 can be arranged along the inner side surface.
It is possible to facilitate maintenance work inside and installation work of the lamp body 14. Further, a locking portion 123 for positioning the wiring W2
Since it has a spring structure, the wiring W2 can be easily removed from the locking portion 123 if necessary when the terminal block such as the power supply terminal block 30 is defective, and the workability can be improved.

As for the positioning means for the electric wire W1 which is an external electric wire, as shown in FIG. 7, FIG. 8 and FIG. 10, a second locking member 131 to be attached to the outside of the base 12 can be provided. . The second locking member 131 is formed by bending a metal plate, for example, and a pair of mounting portions 132 fixed to the outer peripheral surface of the base 12 and the locking portion 13 that connects these mounting portions 132.
It has 3 and. Then, the mounting portion 132 is fixed to the base 12 by a fixing means 135 such as a screw, a rivet, or welding, and the vicinity of the end of the electric wire W1 is pressed to the base 12 side by the locking portion 133 and fixed. There is. In addition, the electric wire W1 is the locking portion 1
The height position locked by 33 is the electric wire W on the base terminal block 29.
A protective tube 136 made of, for example, a soft resin is wound as a protection means at a position substantially equal to the height position where 1 is connected and a position where the electric wire W1 is locked by the locking portion 133.
To prevent the wire W1 from being damaged by the locking tool 131 of the wire W1
Protects. Therefore, compared with the conventional configuration in which the electric wire W1 is held only by the connection with the base terminal block 29 without a locking means, even when an external force is applied by pulling the external electric wire W1, No load is applied to the connecting portion between the electric wire W1 and the base terminal block 29, and the electric wire W1 and the base terminal block 2 are connected.
It can be protected so as not to damage the connection part with 9.

In each of the above-described embodiments, the power receiving terminal 103 of the power receiving terminal base 88 needs to penetrate from the outside to the inside of the lamp body 14 and is hermetically sealed.
Need to be attached to 101. Therefore, for example, as in a power receiving terminal block 151 shown in FIGS. 11 to 13, a power receiving terminal 153 is attached to a joint portion to which a power receiving terminal 153 that is a metal blade is attached to a power receiving terminal pedestal 152 that is a resin-integral molded product.
By providing the filling material pouring groove 155 that is a portion to be filled into which the filling material such as silicon is poured, as shown in FIG. 14, it is possible to quantify the pouring amount of the filling material as compared with the configuration without the groove. In addition, it becomes easy to limit the pouring place, the airtightness can be ensured, and the filling operation of the filling material can be facilitated to reduce the manufacturing cost. In this power receiving terminal block 151, instead of the round bar-shaped positioning portion,
A boss-shaped positioning receiving portion 157 having a circular hole-shaped positioning hole is provided so as to protrude downward.

The base terminal block 29 mounted in the base terminal block mounting hole 28 of the base block 12 also needs to penetrate the inside and outside of the base block 12 and needs to be mounted airtightly. There is. Therefore, for example, as shown in FIG. 15 to FIG. 17, the base terminal block 29 is enclosed at the end of the base terminal mounting hole 28 of the base 12, at the outer end in the present embodiment, silicon, etc. By providing the filling material pouring groove 28a which is the portion to be filled with the filling material, the amount of pouring the filling material can be quantified and the pouring place is limited as compared with the configuration in which the groove is not provided as shown in FIG. This facilitates the airtightness, facilitates the filling operation of the filling material, and reduces the manufacturing cost.

[0047]

According to the marker lamp of the first aspect of the present invention, since the facing portion of the base is located below the fixing tool, the fixing tool can be prevented from coming off even when subjected to vibration or the like.

According to the marker lamp of claim 2, claim 1
In addition to the effects described, by arranging the fixture and the structure connected to this fixture on the outer peripheral portion of the lamp body, it is possible to easily secure a space for arranging the light source on the inner peripheral portion of the lamp body, and to reduce the size, Can be thinned easily.

According to the marker lamp of claim 3, claim 1
Alternatively, in addition to the effect described in 2, since the fixture is embedded in the lamp body, the portion of the lamp body in which the fixture is arranged can be brought into close contact with the base, and the fixture between the lamp and the base can be attached. Airtightness can be easily improved.

According to the marker lamp of claim 4, claim 1
In addition to the effect described in any one of 1 to 3, since the fixture is attached and detached from the lower side of the lamp body, the number of parts arranged on the upper side, that is, the outer surface of the lamp body is reduced, and the marker lamp suitable for the embedded type can be provided. .

According to the marker lamp of claim 5, claim 1
In addition to the effect described in any one of 4 to 4, since the facing portion is provided on the annular base flange portion that supports the lamp body, the base flange portion can stably support the lamp body and can be closely attached to the lamp body. Airtightness can be easily improved.

According to the marker lamp of claim 6, claim 1
In addition to the effect described in any one of 1 to 5, by connecting the power receiving terminal block and the power feeding terminal block, power can be supplied from the base side to the light source of the lamp body. When a force is applied to the lamp body and it is pressed against the base side, the deformation of the lamp body is absorbed by the change in the gap between the power receiving terminal base and the power supplying terminal base and the sliding contact between the power receiving terminal and the power supplying terminal. The indicator light can be easily protected.

[Brief description of drawings]

FIG. 1 is a sectional view in an exploded state showing an embodiment of a marker lamp of the present invention.

FIG. 2 is a cross-sectional view of the above marker light.

FIG. 3 is a plan view of the base of the above indicator lamp.

FIG. 4 is an explanatory view showing a state in which a base of the above-mentioned indicator lamp is installed on a road surface.

FIG. 5 is an explanatory diagram showing a conventional marker lamp. (a) is an exploded perspective view with a part cut away as seen from the upper side (b) is an exploded perspective view with a part cut away as seen from below

FIG. 6 is a sectional view showing another embodiment of the marker lamp of the present invention.

FIG. 7 is a plan view of a base showing still another embodiment of the marker lamp of the present invention.

FIG. 8 is a cross-sectional view of the base of the above indicator lamp taken along line I-O-II in FIG. 7.

FIG. 9: III-O-IV-V-V of FIG.
FIG.

FIG. 10 is a side view of the base of the above-mentioned indicator lamp as seen from the arrow VII in FIG. 7.

FIG. 11 is a bottom view of a power receiving terminal block showing still another embodiment of the marker lamp of the present invention.

FIG. 12 is a cross-sectional view of the above power receiving terminal block.

FIG. 13 is an explanatory diagram of the above power receiving terminal block. (a) is a partially enlarged bottom view (b) is VIII-VIII cross section of (a) (c) is IX-IX sectional view of (a)

FIG. 14 is an explanatory diagram showing a comparative example of the above power receiving terminal block. (a) is a partially enlarged bottom view (b) is a sectional view taken along line VIII-VIII of (a), and (c) is a sectional view taken along line IX-IX of (a)

FIG. 15 is a plan view of a base showing still another embodiment of the marker lamp of the present invention.

FIG. 16 is a cross-sectional view of the base of the above-mentioned indicator lamp.

FIG. 17 is an enlarged cross-sectional view of a part of the base of the above-mentioned indicator lamp.

FIG. 18 is a partially enlarged cross-sectional view showing a comparative example of the base of the above marker light.

[Explanation of symbols]

11 beacon 12 bases 14 lights 23 Lamp storage 25 Base flange 26 Opposite part 30 power supply terminal block 41 Upper light 42 Lower lamp 44 Fixture 88 Power receiving terminal block 91 Power supply terminal base 93 Power supply terminal 101 Power receiving terminal base 103 Power receiving terminal A gap L light source

Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) F21Q 1/00 N (72) Inventor Shingo Shinno 4-3-1, Higashishinagawa, Shinagawa-ku, Tokyo F, Toshiba Lighting & Technology Corporation Term (reference) 2D064 AA02 AA22 DA09 EA01 EB02 EB03 EB05 EB15 GA01 HA11 HA17 3K080 AA08 AA15 AB15 AB17 BA01 BA07 BD00 CA00 CC00

Claims (6)

[Claims] 1. A lamp body having an upper lamp body and a lower lamp body arranged below the upper lamp body; a fixture for fixing the lower lamp body to the upper lamp body; And a light source; and a base including a lamp housing portion at least a part of which is housed in the lamp body, and a facing portion located below the fixture. 2. The marker lamp according to claim 1, wherein the fixture is arranged on an outer peripheral portion of the lamp body. 3. The marker lamp according to claim 1, wherein the fixture is embedded in the lamp body. 4. The marker lamp according to claim 1, wherein the fixture is attached and detached from the lower side of the lamp body. 5. The marker lamp according to claim 1, wherein the facing portion is provided on an annular base flange portion that supports the lamp body. 6. A power receiving terminal block provided on a lamp body side and provided with a power receiving terminal electrically connected to a light source, and a power receiving terminal pedestal supporting the power receiving terminal; a power receiving terminal provided on the base side, A power supply terminal that is slidably electrically connected to the power supply terminal, and a power supply terminal base that supports the power supply terminal and that faces the power receiving terminal base with a gap in a state where no external load is applied to the lamp body. The indicator lamp according to any one of claims 1 to 5, further comprising: a power supply terminal block provided with.