JP2023009466A - Lighting fixture and luminaire - Google Patents

Abstract

To provide a lighting fixture and a luminaire in which, when installing the luminaire, a bolt where the luminaire is mounted does not need to be cut.SOLUTION: A lighting fixture which is mounted with respect to a housing which is fixed to a part to be mounted by using a bolt provided at the part to be mounted includes: a first external frame which is connected to the housing in a state where the lighting fixture is mounted on the housing fixed to the bolt, and which includes a portion formed in a tabular shape; a second external frame which has light transmissivity, which is fixed to an edge part of the first external frame, and which is arranged on the opposite side from the housing with the first external frame in between, so as to cover the surface on the opposite side from the housing; and a light source part arranged on the first external frame side of the second external frame. The first external frame includes a bolt avoidance part which opens at a position corresponding to the bolt penetrating the housing and which forms an opening part where the bolt is inserted. The light source part is arranged at the position separated from the bolt avoidance part between the first external frame and the second external frame.SELECTED DRAWING: Figure 3

Description

The present disclosure relates to a lighting device and a lighting device including the lighting device.

Conventionally, in a state in which a light source unit, which serves as a lamp, is attached to the main body of the lighting fixture, the power supply device is arranged in a position where it does not interfere with the suspension bolt in the housing section, and the amount of protrusion from the ceiling is suppressed. It has been proposed (see Patent Document 1, for example).

Japanese Patent No. 5453503

In recent years, for example, lighting devices using light emitting diode (LED) elements, such as lighting devices using fluorescent light or the like, have been used that have a reduced amount of protrusion from the ceiling. . On the other hand, conventional lighting devices using fluorescent lamps have a relatively large amount of projection from the ceiling compared to lighting devices using LEDs. Bolts such as suspension bolts are installed on the mounting part where the lighting device is attached. may be provided.

When attaching a lighting device with a small amount of protrusion from the ceiling to the bolt on which the lighting device is attached, the worker reuses the bolt provided for attaching the lighting device with a large amount of protrusion from the ceiling. There is In addition, when replacing the lighting device, the worker may replace the lighting device that protrudes relatively large from the ceiling with a lighting device that protrudes less from the ceiling. In these cases, if the length of the bolt is set to match the lighting equipment with a large amount of projection from the ceiling, some fixtures in the lighting equipment with a small amount of projection from the ceiling will interfere with the bolt. Therefore, the suspension bolt must be cut.

An object of the present disclosure is to solve the above-described problems, and to provide a lamp and a lighting device that do not require cutting of bolts to which the lighting device is attached when the lighting device is installed.

A lighting device according to the present disclosure is a lighting device that is attached to a housing that is fixed to a mounting portion using a bolt that is provided on the mounting portion, and the lighting device is mounted to the housing that is fixed to the bolt. a first outer shell including a plate-shaped portion connected to the housing in a state where it is in a state of A second outer shell arranged on the opposite side of the housing with the first outer shell therebetween and a light source unit arranged on the first outer shell side of the second outer shell so as to cover the first outer shell, the first outer shell comprising: It has a bolt avoidance part that opens at a position corresponding to the bolt that penetrates the housing and forms an opening into which the bolt is inserted, and the light source part has the bolt avoidance part between the first outer shell and the second outer shell. It is located at a distance from the

A lighting device according to the present disclosure includes a housing that is fixed to a mounting portion using a bolt, and the lamp having the above configuration that is attached to the housing.

The lighting fixture and the lighting device of the present disclosure have a first outer shell that opens at a position corresponding to a bolt penetrating the housing and has a bolt avoidance part that forms an opening into which the bolt is inserted, and the light source part has a first It is arranged at a position away from the bolt avoiding portion between the first outer shell and the second outer shell. Therefore, when the lamp is attached to the housing, the bolt passes through the opening of the bolt avoidance section, does not interfere with the first outer shell, and does not interfere with the light source section away from the bolt avoidance section. Therefore, when installing the lighting device, the user does not need to cut the bolts to which the lighting device is attached.

1 is a perspective view illustrating a lighting device according to Embodiment 1; FIG. 1 is an exploded perspective view illustrating a lighting device according to Embodiment 1; FIG. 1 is a conceptual diagram showing an internal configuration of a lighting device according to Embodiment 1; FIG. FIG. 2 is a perspective view illustrating a lamp of the lighting device according to Embodiment 1; FIG. 2 is a conceptual diagram showing the internal configuration of the lamp of the lighting device according to Embodiment 1; FIG. 11 is an exploded perspective view illustrating a lighting device according to Embodiment 2; FIG. 8 is a conceptual diagram showing the internal configuration of a lighting device according to Embodiment 2; FIG. 11 is a perspective view of a lamp used in the lighting device according to Embodiment 3; FIG. 11 is a conceptual diagram showing an internal configuration of a lighting device according to Embodiment 3; FIG. 11 is a conceptual diagram showing an internal configuration of a lighting device according to Embodiment 4; FIG. 11 is a first diagram for explaining the procedure for assembling the lamp of the lighting device according to Embodiment 4; FIG. 12 is a second diagram for explaining the procedure for assembling the lamp of the lighting device according to the fourth embodiment; FIG. 14 is a third diagram for explaining the procedure for assembling the lamp of the lighting device according to the fourth embodiment; FIG. 11 is a conceptual diagram showing an internal configuration of a lighting device according to Embodiment 5; FIG. 12 is a conceptual diagram showing the internal configuration of a lighting device according to Embodiment 6;

Hereinafter, lamps and lighting devices according to embodiments will be described with reference to the drawings and the like. It should be noted that the forms of the constituent elements shown in the specification are only examples and are not limited to these descriptions. In addition, in the following drawings including FIG. 1, the relative dimensional relationship and shape of each component may differ from the actual ones. Also, in the following drawings, the same reference numerals denote the same or equivalent parts, and this applies throughout the specification. In order to facilitate understanding, terminology representing directions and orientations are used as appropriate, but these notations are descriptions used for convenience of explanation and limit the arrangement, orientation, and orientation of devices, instruments, parts, etc. is not. Directional or orientation terms include, for example, up, down, right, left, front, back, front or back, and the like.

Embodiment 1.
[Lighting device 1]
FIG. 1 is a perspective view illustrating a lighting device 1 according to Embodiment 1. FIG. FIG. 2 is an exploded perspective view illustrating the illumination device 1 according to Embodiment 1. FIG. FIG. 3 is a conceptual diagram showing the internal configuration of the lighting device 1 according to Embodiment 1. As shown in FIG. In addition, FIG. 2 omits illustration of part of the inclined portion 23 in order to clarify the connection between the fixture 2 and the suspension bolt 8 . FIG. 3 shows a cross section perpendicular to the longitudinal direction (X-axis direction) of the lighting device 1 . A lighting device 1 will be described with reference to FIGS. 1 to 3. FIG.

The lighting device 1 is also called a lighting fixture, is installed in a position where it can illuminate the lighting space, and illuminates the lighting space. The lighting space is a space in which the lighting device 1 is installed. means the space of

The lighting device 1 includes a fixture 2 attached to a mounting portion 9 such as a ceiling, and a lamp 3 detachably attached to the fixture 2 . Hanging bolts 8 for attaching the lighting device 1 are provided on the attached portion 9 . The lighting device 1 is installed on the attached portion 9 by being attached to the hanging bolt 8 . The lighting device 1 is attached to a mounting portion 9 such as a ceiling or a wall surface with the lamp 3 directed toward the room. The lighting device 1 emits light from the lamp 3 by turning on the lamp 3 to illuminate the lighting space.

The lighting device 1, the fixture 2, and the lighting fixture 3 are all formed in an elongated shape. In the following description, the longitudinal direction of the illumination device 1 is the X-axis direction as the first direction, the Y-axis direction is perpendicular to the longitudinal direction as the second direction, and the longitudinal direction is the third direction. and the vertical direction perpendicular to each of the lateral directions is defined as the Z-axis direction. In the Z-axis direction, which is the vertical direction, the upward direction Z1 is the direction in which the lamp 3 is attached to the fixture 2, and the downward direction Z2 is the direction in which the lamp 3 is removed from the fixture 2. It is the direction to be.

[Equipment 2]
The device 2 is also called a device main body, a housing, or the like, and is directly attached to the hanging bolt 8 of the attached portion 9 . Specifically, the instrument 2 is inserted into an instrument through-hole 210, which will be described later, and is installed on the attached portion 9 by attaching the fixture 80 to the suspension bolt 8 penetrating the top surface portion 21 in which the instrument through-hole 210 is formed. be. The fixture 80 includes, for example, a nut 85, a washer 86, and the like. The fixture 80 may have the nut 85 and may not have the washer 86 . The instrument 2 is installed on the attached portion 9 by tightening the nut 85 onto the hanging bolt 8 inserted through the instrument through hole 210 .

The fixture 2 is an attached portion of the lighting device 1 to which the lamp 3 is attached. The fixture 2 holds a lamp 3 attached to the fixture 2 and supplies power to the lamp 3 .

The instrument 2 can be formed into a desired shape by using a metal plate (sheet metal) and performing processing such as bending, roll forming, or pressing. Alternatively, the instrument 2 may be formed by a manufacturing method such as extrusion molding using a metal material or three-dimensional modeling such as 3D printing. The instrument 2 has an instrument main body 20 extending along the longitudinal direction and a pair of instrument end parts 27 attached to both ends of the instrument main body 20 in the longitudinal direction.

(Instrument main body 20)
The instrument main body 20 is a part of the instrument 2 that is attached to the suspension bolt 8 using the fixture 80 . The device main body 20 includes a top surface portion 21 arranged along the mounting portion 9 in a state where the device 2 is attached to the hanging bolt 8 of the mounting portion 9, and an end portion of the top surface portion 21 in the short direction. It has a pair of side surface portions 22 extending from the to-be-attached portion 9 and the opposite side. Note that the state in which the device 2 is attached to the hanging bolt 8 of the attached portion 9 means the state in which the device 2 is installed on the attached portion 9 . In addition, the instrument main body 20 extends outside the instrument main body 20 from the end of the side surface 22 on the opposite side of the top surface 21, and is inclined toward the attached part 9. have

The top surface portion 21 is elongated in the longitudinal direction (X-axis direction) and formed in a flat plate shape. An instrument through-hole 210 is formed in the top surface portion 21 . The instrument through-hole 210 is a through-hole formed in the top surface portion 21 and is an open opening provided in the instrument 2 .

The instrument through hole 210 is a bolt through hole through which the hanger bolt 8 is inserted. The formation position of the instrument through-hole 210 serving as a bolt insertion hole is formed corresponding to the arrangement of the suspension bolt 8 necessary for attaching the instrument 2 to the attached portion 9 . The number of instrument through-holes 210 that serve as bolt insertion holes is formed in accordance with the number of suspension bolts 8 required for attaching the instrument 2 to the attached portion 9 .

The instrument through-holes 210 are formed in at least the same number as the hanging bolts 8 , but may be formed in a number equal to or greater than the number of the hanging bolts 8 . When the fixture through-holes 210 are formed in the number equal to or greater than that of the hanging bolts 8, for example, by selecting the fixture through-holes 210 through which the hanging bolts 8 are inserted, the installation position of the lighting device 1 can be adjusted. . Note that FIG. 2 shows an example of the lighting device 1 in which the fixture through-holes 210 are provided at two locations on the top surface portion 21 along the longitudinal direction (X-axis direction).

A spring 24 is attached to the top surface 21 as a fixture-side connector that constitutes a connector for connecting the fixture 2 and the lamp 3 when the fixture 3 is attached to the fixture 2 . The number of springs 24 attached to the top surface portion 21 and the arrangement of the springs 24 attached to the top surface portion 21 are determined according to the shape of the illumination device 1, the size of the illumination device 1, and the like. In FIG. 2 , the springs 24 are attached to the top surface 21 at two locations, and in the longitudinal direction (X-axis direction) of the top surface 21, the springs 24 are attached to the end side of the device through hole 210. An example of a device 1 is shown.

An electric wire insertion hole 211 is formed in the top surface portion 21 . The wire insertion hole 211 is a through hole and is used to lead an external wire (not shown) into the lighting device 1 . The external electric wire is connected to a terminal block 25 attached to a position on the top surface 21 that does not come into contact with the lamp 3 . An appliance-side electric wire 26 used for connection with the lamp 3 is connected to the terminal block 25 .

The side surface portion 22 is connected to both ends of the top surface portion 21 in the short direction (Y-axis direction), and the inclined portion 23 is connected to the end portion of the side surface portion 22 opposite to the top surface portion 21 . The side surface portion 22 has a proximal end portion 22a and a distal end portion 22b. The base end portion 22 a is a portion of the side surface portion 22 that is connected to the top surface portion 21 . The tip portion 22 b is an edge portion of the side portion 22 in the Z-axis direction along the hanging bolt 8 . In the Z-axis direction along the suspension bolt 8 , the base end portion 22 a is one end portion of the side portion 22 and the tip end portion 22 b is the other end portion of the side portion 22 . The tip 22b forms an opening 22c of the fixture 2 in which a part of the lamp 3 is accommodated.

The inclined portion 23 is a design portion that forms the appearance of the lighting device 1 and the fixture 2 . The inclined portion 23 is provided at the tip portion 22 b of the side portion 22 along the longitudinal direction (X-axis direction) of the side portion 22 . The inclined portion 23 is formed by bending obliquely upward from the tip portion 22 b of the side portion 22 toward the attached portion 9 . The inclined portions 23 are provided on both sides of a lamp housing portion 29 to be described later in the lateral direction (Y-axis direction).

A pair of inclined portions 23 provided on both sides of the lamp housing portion 29 are formed in parallel along the longitudinal direction (X-axis direction) with the lamp housing portion 29 therebetween. The pair of inclined portions 23 are inclined so that the distance in the lateral direction (Y-axis direction) gradually widens from the distal end portion 22 b of the side portion 22 toward the attached portion 9 . The end portion of the inclined portion 23 on the side of the attached portion 9 is subjected to a curled end portion treatment. The inclined portion 23 may have a function of a reflecting portion that reflects part of the light emitted from the lamp 3 and distributes the light so as to spread the light laterally.

The device main body 20 has the spring 24 and the terminal block 25 described above. The spring 24 is a device-side connecting portion, and is connected to a later-described spring receiver 45 when the lamp 3 is attached to the device 2 . The spring 24 supports the lamp 3 by engaging with a spring receiver 45 of the lamp 3 . The lamp 3 is attached to the fixture 2 by connecting the spring 24 of the fixture 2 and the spring receiver 45 of the lamp 3 .

The terminal block 25 is attached to the top surface portion 21 . The terminal block 25 is connected to an external electric wire drawn into the fixture 2 through the electric wire insertion hole 211 formed in the top surface portion 21, and serves as a relay device for supplying electric power supplied through the external electric wire to the lamp fixture 3. Become. Electric power supplied from the outside of the fixture 2 is supplied to the lamp fixture 3 via the terminal block 25 .

The fixture main body 20 has a lamp accommodation section 29 . A part of the lamp 3 to be mounted is accommodated in the lamp accommodation portion 29 . The lamp housing portion 29 is formed by the top surface portion 21 , the pair of side portions 22 , and the pair of fixture end portions 27 .

The lamp fitting housing portion 29 is formed in a box shape by the top surface portion 21 of the fixture main body portion 20, a set of side faces 22, and a set of fixture end portions 27. As shown in FIG. One side surface of the box-shaped lamp housing portion 29 is opened by an opening portion 22c. That is, the lamp housing portion 29 is formed in a concave shape and forms a space surrounded by the top surface portion 21 , the pair of side portions 22 and the pair of fixture end portions 27 . A portion of the lamp 3 that is not accommodated in the lamp accommodation portion 29 is exposed to the illumination space.

(instrument end 27)
The pair of instrument end portions 27 are arranged at both ends of the instrument main body 20 in the longitudinal direction (X-axis direction). The instrument end portion 27 is in contact with both ends of the top surface portion 21 and the inclined portion 23 . A lower end portion of the fixture end portion 27 forms an opening 22c of the fixture 2 in which a portion of the lamp 3 is accommodated together with the front end portion 22b of the side face portion 22 .

[Light fixture 3]
FIG. 4 is a perspective view illustrating the lamp 3 of the lighting device 1 according to Embodiment 1. FIG. FIG. 5 is a conceptual diagram showing the internal configuration of the lamp 3 of the lighting device 1 according to Embodiment 1. As shown in FIG. 5 shows a cross section perpendicular to the longitudinal direction (X-axis direction) of the lamp 3. As shown in FIG. The lamp 3 will be described with reference to FIGS. 1, 4 and 5. FIG. The lamp 3 is a light source unit that irradiates light toward the illumination target space while being attached to the lamp housing portion 29 of the fixture 2 . The lamp 3 is attached to the fixture 2 , which is a housing, fixed to the mounting portion 9 using hanging bolts 8 provided on the mounting portion 9 .

The lighting device 3 is also called a lighting device, a light source unit, or the like, and is used by being attached to the fixture 2 . The lamp 3 of Embodiment 1 is formed in an elongated shape and is detachably attached to the fixture 2 . More specifically, the lamp 3 is detachably attached to the lamp housing 29 through the opening 22c of the fixture 2. As shown in FIG.

As shown in FIGS. 1 and 4, the lamp 3 includes a pedestal 30 extending along the longitudinal direction, a translucent cover 31 attached to the pedestal 30, and a cover 31 installed on the inner surface side of the cover 31. and a light source unit 32 (see FIGS. 3 and 5) that emits light toward the inner surface of 31 . Inside the lamp 3 , the pedestal 30 and the light source section 32 are separated from each other, and an internal space S is formed between the pedestal 30 and the light source section 32 .

(pedestal 30)
The pedestal 30 is a first outer shell that constitutes the lamp 3 . The pedestal 30, which is the first outer shell, is connected to the fixture 2, which is a housing, in a state in which the lamp 3 is attached to the fixture 2, which is a housing, fixed to the hanging bolt 8.

The pedestal 30, which is a support member, is a member that holds the cover attachment portion 311 of the cover 31, as shown in FIG. The pedestal 30 is an elongated attachment member extending in the longitudinal direction (X-axis direction) and formed in a shape capable of covering the opening of the cover 31 . As shown in FIG. 5, in the illumination device 1 according to Embodiment 1, the cross-sectional shape of the pedestal 30 whose normal direction is the longitudinal direction is formed in a substantially U shape. Shape is not limited.

The pedestal 30 includes a pedestal main portion 301 formed in a rectangular plate shape, and sidewalls extending upward from both side end portions along the longitudinal direction (X-axis direction) of the pedestal main portion 301 and parallel to each other. A pair of pedestal side portions 302 are provided. Note that although the illumination device 1 according to Embodiment 1 shows an example in which the pedestal 30 has the pedestal side portion 302, the pedestal 30 may have the pedestal side portion 302 as long as the cover 31 can be held. It doesn't have to be. That is, the base 30 only needs to have at least the main base portion 301 .

The pedestal main portion 301 of the pedestal 30 faces the top surface portion 21 of the fixture 2 with the lamp 3 attached to the fixture 2, as shown in FIG. As shown in FIGS. 3 and 4, the pedestal main portion 301 has a suspension bolt insertion hole at a position corresponding to the suspension bolt 8 to which the fixture 2 is attached, with the lamp 3 attached to the fixture 2. A certain lamp through-hole 300 is formed. The lamp through-hole 300 is a through-hole formed in the pedestal main portion 301 and is an open opening provided in the pedestal 30 .

The lamp through-hole 300 is a through-hole that penetrates the pedestal 30, which is the first outer shell, and forms an opening into which the suspension bolt 8 is inserted in the pedestal 30, which is the first outer shell. That is, the pedestal 30, which is the first outer shell, has a bolt avoiding portion that opens at a position corresponding to the suspension bolt 8 penetrating the device 2, which is the housing, and forms an opening into which the suspension bolt 8 is inserted.

The lamp through-hole 300 is also called a base through-hole and is a through-hole formed in the base main portion 301 . The lamp through-hole 300 is formed with a shape and size that take into account the shape of the suspension bolt 8, the inclination of the lighting device 1 when installed, and the expansion and contraction of the lamp 3 when the lighting device 1 is used. As shown in FIG. 3, with the lamp 3 attached to the fixture 2, the suspension bolt 8 to which the fixture 2 is attached passes through the base main portion 301 while passing through the lamp through-hole 300. .

The formation position of the lamp through-hole 300 serving as the bolt insertion hole is formed corresponding to the arrangement of the suspension bolt 8 necessary for attaching the fixture 2 to the attachment portion 9 . Further, the number of lamp through-holes 300 to be bolt insertion holes formed corresponds to the number of suspension bolts 8 required for attaching the fixture 2 to the mounting portion 9 .

The lamp through-holes 300 are formed in at least the same number as the hanging bolts 8 , but may be formed in more than the number of the hanging bolts 8 . When the lamp through-holes 300 are formed in the number equal to or greater than that of the hanging bolts 8, for example, by selecting the lamp through-holes 300 through which the hanging bolts 8 are inserted, the installation position of the lighting device 1 can be adjusted. . Note that FIG. 4 shows an example of the lighting device 1 in which the lamp through-holes 300 are provided at four locations of the base main portion 301 along the longitudinal direction (X-axis direction). The number of formation is not limited to four.

When the lamp 3 is attached to the fixture 2, the lamp through-hole 300 is formed at a position overlapping the fixture through-hole 210 in the vertical direction (Z-axis direction). That is, when the lamp 3 is attached to the fixture 2 , the lamp through-hole 300 and the fixture through-hole 210 are formed at overlapping positions in the extending direction of the hanging bolt 8 .

As shown in FIG. 3, when the lamp 3 is attached to the fixture 2, it is inserted through the fixture through-hole 210 and the lamp through-hole 300, and penetrates the top surface 21 of the fixture main body 20 and the pedestal main part 301 of the pedestal 30. The suspended bolt 8 is arranged in the internal space S. The tip side of the hanging bolt 8 passes through the lamp fitting through hole 300 and is accommodated in the inner space S of the outer shell formed by the pedestal 30 and the cover 31 . The tip of the suspension bolt 8 does not contact the light source section 32 because the suspension bolt 8 having a length L passes through the lamp fitting through hole 300 and is arranged between the base 30 and the light source section 32 .

In the pedestal main portion 301 of the pedestal 30, the power supply device 40 is installed on a device placement surface 301a (see FIG. 5) forming a surface opposite to the installation side of the light source portion 32. As shown in FIG. The power supply device 40 is arranged along the longitudinal direction (X-axis direction) of the pedestal main portion 301 . The power supply device 40 supplies power to the light source section 32 . More specifically, the power supply device 40 causes the light emitting element of the light source section 32 to light (light) with external power supplied via the external wire, the terminal block 25, the appliance side wire 26, and the lamp side wire 49. The light is converted into lighting power for the purpose and supplied to the light source unit 32 . The power supply device 40 may be attached to the appliance 2 instead of the pedestal 30 . The power supply device 40 is installed in a region that does not come into contact with the suspension bolt 8 in the lamp housing portion 29 . The lamp-side electric wire 38 has one end connected to the power supply device 40 and the other end connected to the appliance-side electric wire 26 on the appliance 2 side.

FIG. 5 shows an example of a configuration of a lighting power supply path from the power supply device 40 to the light source section 32. As shown in FIG. The lighting power is supplied from the power supply device 40 to the light source unit 32 through, for example, the power supply device 40 , the external power supply line 470 , the external connector 480 , the internal connector 481 , the internal power supply line 471 , and the light source unit 32 .

The internal power supply line 471 is connected to an internal connector 481 installed in the wire insertion portion 305 which is a through hole formed in the base 30 . The internal power supply line 471 is preferably FFC (Flexible Flat Cable) or FPC (Flexible Printed Circuit). The external power supply line 470 is connected to an external connector 480 that connects with the internal connector 481 . The external power supply line 470 and the internal power supply line 471 are preferably flexible.

By fitting the external connector 480 and the internal connector 481 together, the internal electrodes of the external connector 480 and the internal electrodes of the internal connector 481 are electrically connected. The internal power supply line 471 and the light source unit 32 may be detachably connected by a connector, or may be non-detachably connected by direct pressure contact or crimping.

At both ends of the pedestal main portion 301 in the lateral direction (Y-axis direction), the back surface of the device placement surface 301 a abuts on the support portions 313 of the cover 31 . The base main portion 301 is engaged with the support portion 313 of the cover 31 and comes into contact with it, so that the cover 31 is restricted from moving toward the attached portion 9 .

As shown in FIG. 4, a base main portion 301 of the base 30 has a spring as a lamp-side connector that constitutes a connection portion for connecting the fixture 2 and the lamp 3 when the lamp 3 is attached to the fixture 2. A receiver 45 is attached. The number of spring retainers 45 attached to the base main portion 301 and the arrangement of the spring retainers 45 attached to the base main portion 301 are determined according to the shape of the lighting device 1, the size of the lighting device 1, and the like. be done. In FIG. 4 , the spring receivers 45 are attached to two locations on the base main portion 301 , and the spring receivers 45 are attached to the end side of the lamp through hole 300 in the longitudinal direction (X-axis direction) of the base 30 . 1 shows an example of a lighting device 1 provided.

The spring receiver 45 is provided so as to rise from the pedestal main portion 301 of the pedestal 30 toward the attached portion 9 in the Z-axis direction. The spring receiver 45 has a spring engaging portion 450 in which a spring engaging hole 451 is formed, and a metal fixture fixing piece 452, as shown in FIG.

The spring receiver 45 is fixed to the pedestal main portion 301 of the pedestal 30 by a metal fixing piece 452 . When the lamp 3 is attached to the fixture 2, the spring engaging hole 451, which is the fixture-side connecting part, is arranged in the lamp accommodating part 29 and engages with the spring 24, which is the fixture-side connecting part. The spring 24 of the device 2 is inserted into the spring engaging hole 451 and pulls the pedestal 30 toward the attached portion 9 in the extending direction (Z-axis direction) of the hanging bolt 8 .

The pedestal side portions 302 are portions of the pedestal 30 that stand up from both ends of the pedestal main portion 301 in the lateral direction (Y-axis direction) and serve as side walls. The pedestal side portion 302 is arranged over a holding area 318 of the cover 31, which will be described later. The pedestal side portion 302 has a proximal end portion 302a and a distal end portion 302b.

The base end portion 302 a is a portion of the pedestal side portion 302 that is connected to the pedestal main portion 301 . The tip portion 302b is an edge portion of the pedestal side portion 302 in the Z-axis direction along the hanging bolt 8. As shown in FIG. In the Z-axis direction along the hanging bolt 8 , the base end portion 302 a is one end of the base side portion 302 and the tip end portion 302 b is the other end of the base side portion 302 .

A front end portion 302b of the pedestal side portion 302 is curled inward toward the device placement surface 301a. The distal end portion 302b engages with the engaging portion 312 of the cover 31 and abuts against it, thereby restricting movement toward the lamp housing portion 29 side. Further, the distal end portion 302b engages with the engaging portion 312 of the cover 31 and comes into contact with the cover 31 so as to suspend and support the cover 31 .

Here, it is assumed that the base 30 is formed by bending a metal plate material such as a steel plate. Then, the pedestal 30 is bent by a processing method such as roll forming or press molding to obtain rigidity. However, the pedestal 30 is not limited to being formed by bending a metal plate, and may be formed using a material other than metal, such as resin or ceramic. Also, the base 30 may be processed by a processing method such as extrusion molding or three-dimensional modeling such as 3D printing. Further, although illustration is omitted, the base 30 may be subjected to surface treatment in order to improve heat radiation efficiency (thermal emissivity) or light utilization efficiency (reflectance). Functional elements may be laid.

(Cover 31)
The cover 31 is a second outer shell that constitutes the lamp 3 . The cover 31, which is the second outer shell, is fixed to the edge of the pedestal 30, which is the first outer shell, in a state where the lamp 3 is attached to the fixture 2 fixed to the hanging bolt 8, and the surface opposite to the fixture 2 is fixed. is arranged on the side opposite to the instrument 2 with the pedestal 30 therebetween so as to cover the .

The cover 31 covers a later-described light source section 32 installed on the inner surface of the cover 31 and forms a part of the outer shell of the lamp 3 . A portion of the cover 31 that is not housed in the lamp housing portion 29 of the fixture 2 and is exposed to the lighting space serves as a design portion of the appearance of the lighting device 1 . The cover 31 is translucent and transmits at least visible light among the light emitted from the light source section 32 .

The cover 31 is attached to the edge of the pedestal 30 . The cover 31 is elongated in the longitudinal direction (X-axis direction) like the pedestal 30 , and is attached to the pedestal 30 while covering the light source section 32 . With the cover 31 attached to the pedestal 30 , the light source unit 32 installed on the inner surface of the cover 31 faces the pedestal 30 .

The cover 31 has an elongated box shape, and has a lamp opening 31a extending in the longitudinal direction in a portion facing the inner surface on which the light source 32 is installed. With the cover 31 attached to the pedestal 30 , the lamp opening 31 a is covered with the pedestal 30 , and the light source section 32 is arranged in an internal space S surrounded by the cover 31 and the pedestal 30 . The light source section 32 installed on the cover 31 does not come into contact with the base 30 .

Here, in the illumination device 1 of Embodiment 1, the cross-sectional shape of the cover 31 when the cover 31 is cut along the short direction (Y-axis direction) of the lamp 3 is approximately semicircular. , may be angular. Further, the outer surface portion and the inner surface portion of the cover 31 can be configured by a plurality of curved surfaces with different curvatures, a plurality of flat surfaces with different angles, or a combination of these curved surfaces and flat surfaces.

The cover 31 is formed using a translucent material such as a glass material and a resin material, or a composite material containing these materials. The cover 31 may have an optical function such as diffusion (scattering) or frequency discrimination depending on the type of light emitting element used in the light source section 32 or the specifications of the lighting device 1 .

Here, the cover 31 of Embodiment 1 has a cover main body portion 310 and cover end portions 315 attached to both ends of the cover main body portion 310 in the longitudinal direction (X-axis direction) of the cover 31 .

The cover body portion 310 has an emission portion 310a that faces the base main portion 301 with the light source portion 32 interposed therebetween in the extending direction (Z-axis direction) of the suspension bolt 8 . Further, the cover main body portion 310 is formed so as to cover the side of the pedestal side portion 302 from each of both side end portions along the longitudinal direction (X-axis direction) of the emission portion 310a, and is a cover attachment portion attached to the pedestal side portion 302. 311.

The emission part 310a is a part that is exposed to the outside and transmits the light emitted from the light source part 32 to irradiate the outside. In addition, the emitting portion 310a serves as a portion that protects the light source portion 32 and the like. The light source section 32 is fixed to the emission section 310a.

As shown in FIG. 3 , in a cross section perpendicular to the longitudinal direction (X-axis direction) of the illumination device 1 , the light emitting portion 310 a is located on the cover 31 and extends from the tip portion 8 a of the suspension bolt 8 in the protruding direction through the light source portion 32 . Form opposing faces. 3, the emission part 310a may form a surface located on the lateral side of the suspension bolt 8. As shown in FIG.

The cover attachment portion 311 is a portion attached to the pedestal 30 , and the cover attachment portion 311 is a portion that engages with the pedestal main portion 301 and the pedestal side portion 302 of the pedestal 30 . Moreover, the cover attachment portion 311 is a portion that restricts the movement of the base 30 attached to the cover 31 and holds the position thereof. The cover attachment portion 311 is provided so as to be continuous with both end portions of the emission portion 310a in the lateral direction (Y-axis direction). The cover attachment portion 311 may be formed using a translucent material, or may be formed using a light-shielding material.

In the cover 31 of Embodiment 1, at least the emission portion 310a and the cover attachment portion 311 are integrally formed, but they may be formed separately. As shown in FIG. 5, a pair of cover mounting portions 311 provided at both ends of the cover 31 in the short direction (Y-axis direction) are arranged at the center of the cover 31 in the short direction (Y-axis direction). The shapes are symmetrical to each other.

The cover attachment portions 311 are arranged at both side end portions of the base main portion 301 in the lateral direction (Y-axis direction) of the cover 31, cover the base main portion 301 from the light source portion 32 side, and support the base main portion 301. It has a support portion 313 . In addition, the cover attachment portion 311 is arranged outside the base side portion 302 in the lateral direction (Y-axis direction) of the cover 31, and has an engagement portion 312 that engages with the front end portion 302b of the base side portion 302. .

The cover end portion 315 is a portion that covers the end face that is the end portion in the longitudinal direction (X-axis direction) of the lamp 3 . Here, the cover end portion 315 is formed as a separate member and attached to the emission portion 310a by welding, bonding, or the like. The cover end portion 315 fits into the end face opening of the space formed by the cover 31 and the pedestal main portion 301 of the pedestal 30 to close the end face opening. However, the configuration of the cover 31 is not limited to this configuration, and the cover end portion 315, the emission portion 310a, and the cover attachment portion 311 may be integrally formed.

(Light source unit 32)
The light source part 32 is a part that emits light. The light source unit 32 is lit and emits light when lighting power is supplied through the pedestal 30 or via the periphery of the pedestal 30 . The light source section 32 is formed in a sheet shape, and is preferably a surface emitting element. The light source unit 32 is formed of, for example, an organic EL (Electro Luminescence) that is a surface emitting element, or an inorganic EL (Electro Luminescence) that is a surface emitting element. The light source section 32 preferably has flexibility.

The light source unit 32 is arranged on the pedestal 30 side of the cover 31 which is the second outer shell in a state where the lamp 3 is attached to the fixture 2 fixed to the hanging bolt 8 . In addition, the light source part 32 is arranged at a position away from a bolt avoiding part, which will be described later, between the pedestal 30, which is the first outer shell, and the cover 31, which is the second outer shell. In other words, the light source section 32 is arranged at a position apart from a bolt avoidance section described later in the extending direction of the hanging bolt 8 . The light source part 32 is arranged so as to be positioned between the tip part 8a of the hanging bolt 8 and the cover 31, which is the second outer shell, in a state where the lamp 3 is attached to the fixture 2 fixed to the hanging bolt 8. ing.

The light source unit 32 is arranged along the inner surface of the cover 31 that is the second outer shell. The light source part 32 is deformably formed along the inner surface of the cover 31 . The light source unit 32 is attached and fixed to the inner surface of the cover 31 . More specifically, the light source section 32 is fixed to the inner surface side of the emission section 310 a of the cover body section 310 . As a method for fixing the light source unit 32 and the cover 31, for example, the light source unit 32 and the cover 31 may be fixed by welding the light source unit 32 and the inner surface side of the cover 31 together. Alternatively, the light source unit 32 and the cover 31 may be fixed by bonding the light source unit 32 and the inner surface side of the cover 31 using a translucent adhesive member.

The light source unit 32 is not limited to the organic EL and the inorganic EL, and other light emitting elements can be adopted as long as they are surface emitting devices that are deformable along the inner surface of the cover 31 . For example, the light source unit 32 may have a configuration in which an LED (Light Emitting Diode) is mounted on a flexible wiring board. Further, the light source unit 32 may have a configuration in which a thin film of a light emitter such as a phosphor is laid on the inner surface of the cover 31, and the light emitter is caused to emit light by a separately provided excitation light source.

(Regarding the procedure for installing the lighting device 1)
First, assembly of the lamp 3 in the lighting device 1 of Embodiment 1 will be described. When attaching the cover 31 to the pedestal 30, the operator relatively slides the pedestal 30 and the cover 31 along the longitudinal direction (X-axis direction). Thereafter, the operator attaches the cover end portions 315 to both ends of the emission portion 310a of the cover 31 and the cover attachment portion 311 in the longitudinal direction (X-axis direction). Alternatively, the operator may attach the cover end portions 315 to both ends in the longitudinal direction (X-axis direction) of the emission portion 310a. Then, for example, the operator may attach the cover 31 to the pedestal 30 by elastically deforming the cover attachment portion 311 of the cover 31 and fitting it into the pedestal 30 .

Next, a procedure for constructing the lighting device 1 will be described. The lighting device 1 is generally constructed according to the following procedure. First, the operator aligns the tool through hole 210 formed in the top surface 21 with the position of the tip 8 a of the suspension bolt 8 and inserts the suspension bolt 8 through the tool through hole 210 .

Subsequently, the worker attaches the nut 85 to the hanging bolt 8 . At this time, a washer 86 may be arranged between the nut 85 and the top surface portion 21 . Next, the worker tightens the nut 85 onto the suspension bolt 8 using a tool. Finally, the worker attaches the lamp 3 to the lamp housing portion 29 of the fixture 2 . At this time, the worker aligns the lamp through-hole 300 formed in the base main portion 301 with the position of the tip portion 8a of the hanging bolt 8, and inserts the hanging bolt 8 through the lamp through-hole 300. As shown in FIG. The lamp 3 is attached to the fixture 2 by connecting the spring 24 of the fixture 2 and the spring receiver 45 of the lamp 3 .

[Actions and Effects of Fixture 2 and Lighting Device 1]
The lamp 3 has a pedestal 30 having a lamp through-hole 300 that opens at a position corresponding to the suspension bolt 8 penetrating the fixture 2 and forms an opening into which the suspension bolt 8 is inserted. Further, the light source part 32 is arranged between the pedestal 30, which is the first outer shell, and the cover 31, which is the second outer shell, at a position away from the lamp through hole 300 which is the bolt avoidance part. Therefore, when the lamp 3 is attached to the fixture 2, the suspension bolt 8 passes through the opening of the lamp through-hole 300, which is the bolt avoidance part, and does not interfere with the pedestal 30. It does not interfere with the light source part 32 away from the through hole 300. - 特許庁Therefore, the user does not need to cut the hanging bolt 8 to which the lighting device 1 is attached when installing the lighting device 1 .

More specifically, the suspension bolt 8 can be inserted through the lamp through-hole 300 . An internal space S surrounded by the cover 31 and the pedestal 30 functions as a bolt accommodating portion in which a portion of the hanging bolt 8 is accommodated. For this reason, even if the lighting device 1 with a small amount of protrusion from the ceiling is attached to the suspension bolt 8 to which the lighting device with a large amount of protrusion from the ceiling is attached, part of the suspension bolt 8 cannot be accommodated in the bolt. It is arranged in the internal space S which becomes a part. Since a part of the hanging bolt 8 is arranged in the internal space S serving as the bolt accommodating portion, the hanging bolt 8 does not interfere with devices such as the pedestal 30 arranged inside the lighting device 1 .

When replacing a lighting device having a large amount of protrusion from the ceiling, such as a fluorescent lamp fixture, with a lighting device 1 having a reduced amount of protrusion from the ceiling, such as a lighting device using LEDs, the lighting device 1 has a hanging bolt 8. can be diverted and used continuously, and there is no need to cut the hanging bolt 8. Since the lighting device 1 does not require cutting of the suspension bolts 8, the construction process for replacing the lighting device can be simplified, and the construction time can be shortened. In addition, the illumination device 1 can reduce waste materials resulting from cutting the hanging bolts 8, eliminating the need for a process of disposing of the waste materials.

The light source part 32 is arranged so as to be positioned between the tip part 8 a of the hanging bolt 8 and the cover 31 in a state where the lamp 3 is attached to the fixture 2 fixed to the hanging bolt 8 . Therefore, when the lamp 3 is attached to the fixture 2 fixed to the suspension bolt 8 , the suspension bolt 8 does not block the light emitted from the light source section 32 . Further, when the lamp 3 is attached to the fixture 2 fixed to the suspension bolt 8, the shadow of the suspension bolt 8 is not projected on the cover 31 by the light emitted from the light source part 32 of the lamp 3.

The light source unit 32 is arranged along the inner surface of the cover 31 that is the second outer shell. Therefore, when the lamp 3 is attached to the fixture 2 fixed to the suspension bolt 8 , the suspension bolt 8 does not block the light emitted from the light source section 32 . Further, when the lamp 3 is attached to the fixture 2 fixed to the suspension bolt 8, the shadow of the suspension bolt 8 is not projected on the cover 31 by the light emitted from the light source part 32 of the lamp 3.

The light source unit 32 is attached to the inner surface of the cover 31 that is the second outer shell. Therefore, when the lamp 3 is attached to the fixture 2 fixed to the suspension bolt 8 , the suspension bolt 8 does not block the light emitted from the light source section 32 . Further, when the lamp 3 is attached to the fixture 2 fixed to the suspension bolt 8, the shadow of the suspension bolt 8 is not projected on the cover 31 by the light emitted from the light source part 32 of the lamp 3.

In addition, since the illumination device 1 includes the lamp 3, the above-described effects of the lamp 3 can be exhibited.

Embodiment 2.
FIG. 6 is an exploded perspective view illustrating lighting device 1 according to the second embodiment. FIG. 7 is a conceptual diagram showing the internal configuration of the illumination device 1 according to Embodiment 2. As shown in FIG. In addition, FIG. 6 omits illustration of part of the inclined portion 23 in order to clarify the connection between the fixture 2 and the suspension bolt 8 . FIG. 7 shows a cross section perpendicular to the longitudinal direction (X-axis direction) of the lighting device 1 . A lighting device 1 according to Embodiment 2 will be described with reference to FIGS. 6 and 7. FIG.

A basic configuration of the illumination device 1 according to the second embodiment is the same as that of the illumination device 1 according to the first embodiment. The lighting device 1 according to Embodiment 2 further has a protective cap 7 .

The protective cap 7 is attached to the tip of the hanging bolt 8 . When attached to the suspension bolt 8 , the protection cap 7 covers the tip 8 a of the suspension bolt 8 and also covers the threaded groove portion of the suspension bolt 8 .

The protective cap 7 is formed in a cylindrical shape with a bottom. In FIGS. 6 and 7, the protective cap 7 is formed in a cylindrical shape, but may be formed in other shapes such as a prismatic shape or a polygonal prismatic shape as long as it is formed in a cylindrical shape with a bottom. .

In the lighting device 1 according to Embodiment 2, the protective cap 7 is attached to the tip portion 8a of the suspension bolt 8 after the fixture 2 is installed on the mounting portion 9 and before the lamp fixture 3 is attached to the fixture 2. . After the protection cap 7 is attached to the suspension bolt 8, it is preferable that the protection cap 7 is in close contact with the suspension bolt 8 so as not to fall off the suspension bolt 8. - 特許庁

Therefore, it is preferable that the protective cap 7 be formed using a material having stretchability or elasticity. As an example, the protective cap 7 is made of silicone rubber. The protection cap 7 may be fixed in close contact with the suspension bolt 8 using an adhesive member. Moreover, the protective cap 7 is preferably formed using a material having electrical insulation.

After attaching the protective cap 7 to the hanging bolt 8 , the operator attaches the lamp 3 to the lamp accommodating portion 29 of the fixture 2 . At this time, the operator aligns the lamp through-hole 300 formed in the base main portion 301 with the position of the hanging bolt 8 to which the protective cap 7 is attached, and moves the hanging bolt 8 to which the protective cap 7 is attached to the lamp through-hole. 300 is inserted.

As shown in FIG. 7, when the lamp 3 is attached to the fixture 2, it is inserted through the fixture through hole 210 and the lamp fixture through hole 300, and penetrates through the top surface 21 of the fixture main body 20 and the pedestal main part 301 of the pedestal 30. A suspension bolt 8 and a protective cap 7 are arranged in the internal space S. The lighting device 1 according to Embodiment 2 differs from the lighting device 1 according to Embodiment 1 in that the protective cap 7 is arranged in the internal space S when the lamp 3 is attached to the fixture 2 .

[Actions and effects of fixture 2, lamp 3, and lighting device 1]
The lighting device 1 according to Embodiment 2 has a protective cap 7 attached to the tip of the hanging bolt 8 . In the lighting device 1 according to Embodiment 2, since the tip of the suspension bolt 8 is covered with the protective cap 7, when the lamp 3 is attached to the fixture 2, even if the suspension bolt 8 comes into contact with the components of the lamp 3, The risk of damaging the lamp 3 is reduced. In addition, the lighting device 1 according to the second embodiment uses an electrically insulating material for the protective cap 7 that covers the tip of the suspension bolt 8, thereby reducing the risk of dielectric breakdown of the lamp 3 caused by external noise or the like. be done.

In addition, since the illumination device 1 includes the lamp 3, the above-described effects of the lamp 3 can be exhibited.

Embodiment 3.
FIG. 8 is a perspective view of a lamp 3b used in the lighting device 1b according to the third embodiment. FIG. 9 is a conceptual diagram showing the internal configuration of a lighting device 1b according to Embodiment 3. As shown in FIG. FIG. 9 shows a cross section perpendicular to the longitudinal direction (X-axis direction) of the illumination device 1b. In addition, in FIG. 9, a part of the protective lid 50 is cut away in order to show the state of the hanging bolt 8 arranged inside the protective lid 50. As shown in FIG. A lighting device 1b according to Embodiment 3 will be described with reference to FIGS. 8 and 9. FIG.

A basic configuration of the illumination device 1b according to the third embodiment is the same as that of the illumination device 1 according to the first embodiment. The illumination device 1b according to Embodiment 3 differs from the illumination device 1 according to Embodiment 1 in that the lamp 3b further has a protective lid 50. FIG.

The protective lid 50 is attached to the pedestal main portion 301 of the pedestal 30, and more specifically, is attached to the lamp through-hole 300 formed in the pedestal 30 for use. The protective cover 50 may be attached to all the lamp through-holes 300, or may be attached only to necessary lamp through-holes 300 corresponding to the suspension bolts 8. FIG.

The protective lid 50 constitutes a bolt avoidance portion provided on the pedestal 30, which is the first outer shell. The protective lid 50 is a protective cover that is attached to the pedestal 30 that is the first outer shell and covers the tip side of the suspension bolt 8 in a state where the lamp 3 is attached to the fixture 2 fixed to the suspension bolt 8. - 特許庁As shown in FIG. 9, when the lamp 3b is attached to the fixture 2, the protective lid 50 covers the tip 8a of the suspension bolt 8 and also covers the threaded groove portion of the suspension bolt 8. As shown in FIG. Protective lid 50 is preferably formed using an electrically insulating material.

The protective lid 50 is formed in a substantially cylindrical shape with a bottom. A protective lid 50, which is a protective cover, is formed in a cylindrical shape so as to protrude from the pedestal 30, which is the first outer shell, toward the cover 31, which is the second outer shell. The protective lid 50 includes a tubular portion 51, a wall portion 52 closing one end side of the tubular portion 51, a flange portion 53 provided on the other end side of the tubular portion 51, and the tubular portion 51. has a convex locking portion 54 formed on its outer peripheral wall.

The cylindrical portion 51 is a portion of the protective lid 50 that is formed in a cylindrical shape. In FIGS. 8 and 9, the cylindrical portion 51 is formed in a cylindrical shape. It may be shaped. An open opening 51 a is formed at one end of the tubular portion 51 , and a wall portion 52 is formed at the other end of the tubular portion 51 . When the protective lid 50 is attached to the pedestal 30 , the opening 51 a of the protective lid 50 becomes an open opening provided in the pedestal main portion 301 of the pedestal 30 .

The protective lid 50 has an opening 51a into which the suspension bolt 8 is inserted at the end opposite to the cover 31, which is the second outer shell. That is, the pedestal 30, which is the first outer shell, has a bolt avoiding portion that opens at a position corresponding to the suspension bolt 8 penetrating the device 2, which is the housing, and forms an opening 51a into which the suspension bolt 8 is inserted.

The wall portion 52 is the bottom wall portion of the protective lid 50 . The wall portion 52 is a wall portion that covers the tip portion 8a of the suspension bolt 8 and faces the tip portion 8a when the suspension bolt 8 is inserted into the hollow portion of the tubular portion 51 .

An end portion of the cylindrical portion 51 opposite to the side where the wall portion 52 is formed is an opening portion 51a. The brim portion 53 is a portion formed in a brim shape at the end portion on the side of the opening portion 51a. When the protective cover 50 is fitted into the lamp through-hole 300 , the flange 53 faces the device placement surface 301 a of the base main portion 301 and contacts the device placement surface 301 a of the base main portion 301 . The locking portion 54 is a portion protruding from the outer peripheral wall of the tubular portion 51 .

The locking portion 54 is provided on at least a portion of the outer peripheral portion of the tubular portion 51 . The locking portion 54 is formed in a triangular shape, for example, as shown in FIG. In addition, the shape of the latching|locking part 54 is not limited to a triangular shape. When the engaging portion 54 is formed in a triangular shape, the engaging portion 54 has a base portion 54a, an upper portion 54b, and an inclined portion 54c that form each side of the triangle.

The base portion 54 a is a root portion that protrudes from the tubular portion 51 and is a portion that is integrally formed with the tubular portion 51 . The base portion 54 a is formed along the central axis of the cylindrical portion 51 . The upper portion 54 b is a portion of the locking portion 54 that faces the collar portion 53 . In the protective lid 50, a gap is formed between the upper portion 54b of the locking portion 54 and the flange portion 53, in which at least the base main portion 301 is arranged. The inclined portion 54c is inclined with respect to the cylindrical portion 51, and is inclined such that the amount of protrusion from the cylindrical portion 51 increases from the wall portion 52 side toward the flange portion 53 side.

The protective lid 50 is fitted into the lamp through-hole 300 from the outside of the pedestal 30 . More specifically, the protective lid 50 is fitted into the lamp through-hole 300 from the side of the device placement surface 301a on which the power supply device 40 is placed. The locking portion 54 is locked to the pedestal 30 so that the protective cover 50 fitted in the lamp through-hole 300 does not come off. Specifically, when the protective cover 50 is fitted into the lamp through-hole 300, the pedestal main portion 301 of the pedestal 30 is arranged between the flange portion 53 and the upper portion 54b of the locking portion 54, and is engaged with the flange portion 53. The pedestal main portion 301 is sandwiched between the upper portion 54b of the stop portion 54 and the upper portion 54b. When fitting the protective lid 50 into the lamp through-hole 300, the worker can easily fit the protective lid 50 into the lamp through-hole 300 by using the inclination of the inclined portion 54c.

After attaching the protective lid 50 to the lamp through-hole 300 , the operator attaches the lamp 3 b to the lamp accommodating portion 29 of the fixture 2 . At this time, the operator aligns the protective lid 50 fitted in the lamp through-hole 300 with the position of the suspension bolt 8 and inserts the suspension bolt 8 into the protective lid 50 .

In addition, since the protective cover 50 is excellent in mountability, it does not interfere with the construction work. Also, the protective cover 50 can be attached to the lamp 3b in advance before the installation work. For example, in the manufacturing process of the lamp 3b before the product is shipped, the protective lid 50 can be attached in advance to the pedestal 30 before assembly.

As shown in FIG. 9, when the lamp 3b is attached to the fixture 2, it is inserted through the fixture through-hole 210 and the lamp through-hole 300, and penetrates the top surface 21 of the fixture main body 20 and the pedestal main part 301 of the pedestal 30. A suspended bolt 8 is arranged in the internal space S. The protective lid 50 attached to the lamp through-hole 300 is also arranged in the internal space S, and the hanging bolt 8 is arranged inside the protective lid 50 . The lighting device 1b according to Embodiment 3 differs from the lighting device 1 according to Embodiment 1 in that the protective lid 50 is arranged in the internal space S when the lamp 3b is attached to the fixture 2. FIG.

[Actions and effects of fixture 2, lamp 3b, and lighting device 1b]
The lighting device 3 has a base 30 with a protective lid 50 that opens at a position corresponding to the suspension bolt 8 penetrating the fixture 2 and forms an opening 51a into which the suspension bolt 8 is inserted. Further, the light source section 32 is arranged between the pedestal 30 as the first outer shell and the cover 31 as the second outer shell at a position away from the protective lid 50 as the bolt avoidance part. Therefore, when the lamp 3 is attached to the fixture 2, the suspension bolt 8 penetrates the opening 51a of the protective lid 50, which is the bolt avoidance part, and does not interfere with the pedestal 30. It does not interfere with the light source part 32 separated from the lid 50. - 特許庁Therefore, the user does not need to cut the hanging bolt 8 to which the lighting device 1b is attached when installing the lighting device 1b.

The lighting device 1 b according to Embodiment 3 has a protective lid 50 that covers the tip of the hanging bolt 8 . In the lighting device 1b according to Embodiment 3, since the tip of the suspension bolt 8 is covered with the protective lid 50, when the lamp 3b is attached to the fixture 2, the suspension bolt 8 is unlikely to come into contact with the constituent elements of the lamp 3b. The risk of damage to 3b is reduced. In addition, the lighting device 1b according to the third embodiment uses an electrically insulating material for the protective lid 50 that covers the tip of the suspension bolt 8, thereby reducing the risk of dielectric breakdown of the lamp 3b caused by external noise or the like. be done.

A protective lid 50, which is a protective cover, is formed in a cylindrical shape so as to protrude from the base 30 toward the cover 31, and has an opening into which the hanging bolt 8 is inserted at the end opposite to the cover 31. 51a is formed. Therefore, when the lamp fixture 3 is attached to the fixture 2 , the hanging bolt 8 passes through the opening 51 a of the protective lid 50 that is the bolt avoiding section and does not interfere with the base 30 . Therefore, the user does not need to cut the hanging bolt 8 to which the lighting device 1b is attached when installing the lighting device 1b.

The light source part 32 is arranged so as to be positioned between the tip part 8 a of the hanging bolt 8 and the cover 31 in a state where the lamp 3 is attached to the fixture 2 fixed to the hanging bolt 8 . Also, the light source unit 32 is arranged along the inner surface of the cover 31 that is the second outer shell. Also, the light source unit 32 is attached to the inner surface of the cover 31 that is the second outer shell. Therefore, when the lamp 3 is attached to the fixture 2 fixed to the suspension bolt 8 , the protective lid 50 does not block the light emitted from the light source section 32 of the lamp 3 . Further, when the lamp 3 is attached to the fixture 2 fixed to the hanging bolt 8, the shadow of the protective lid 50 is not projected on the cover 31 by the light emitted from the light source part 32 of the lamp 3. - 特許庁

Moreover, since the illumination device 1b includes the lamp 3, the above-described effects of the lamp 3 can be exhibited.

Embodiment 4.
FIG. 10 is a conceptual diagram showing the internal configuration of a lighting device 1c according to Embodiment 4. As shown in FIG. FIG. 11 is a first diagram for explaining the procedure for assembling the lamp 3c of the lighting device 1c according to the fourth embodiment. FIG. 12 is a second diagram for explaining the procedure for assembling the lamp 3c of the lighting device 1c according to the fourth embodiment. FIG. 13 is a third diagram for explaining the procedure for assembling the lamp 3c of the lighting device 1c according to the fourth embodiment. Note that FIG. 10 shows a cross section perpendicular to the longitudinal direction (X-axis direction) of the lighting device 1c. A lighting device 1c according to Embodiment 4 will be described with reference to FIGS. 10 to 13. FIG.

The lighting device 1c according to the fourth embodiment is different from the lighting device 1 according to the first to third embodiments in that the power supply device 40c of the lamp 3c is arranged in the internal space S surrounded by the cover 31c and the base 30c. etc. More specifically, the power supply device 40c of the lamp 3c is arranged in an internal space S surrounded by the light source section 32 fixed to the cover 31c and the pedestal 30c.

An example of the procedure for assembling the lamp 3c will be described with reference to FIGS. 11 to 13. FIG. As described in FIG. 11, the power supply device 40c installed on the surface of the base 30c on the cover 31 side is connected to the internal power supply line 471. As shown in FIG. As shown in FIG. 12, the cover 31c is attached to the base 30c. As shown in FIG. 13, the cover 31c is fixed to the pedestal 30c by mounting the spring receiving fixture 45 on the spring receiving fixture 302c of the pedestal 30c. The cover mounting portion 311 of the cover 31c is arranged between the pedestal 30c and the receiving tool projecting portion 462 of the spring receiving tool 45 . In Embodiment 5, the spring receiver 45 has a receiver projecting portion 462 . The receiving tool protruding part 462 forms a gap in which the cover attachment part 311 is arranged between the receiving tool projecting part 462 and the pedestal 30c when the spring receiving tool 45 is attached to the pedestal 30c.

[Actions and effects of fixture 2, lamp 3c, and lighting device 1c]
In a lighting device 1c according to Embodiment 4, a power supply device 40c is arranged in an internal space S surrounded by a cover 31c and a pedestal 30c. Therefore, the lighting device 3c can simplify the configuration for supplying power from the power supply device 40c to the light source section 32. FIG. In addition, the lighting device 3c can reduce the space between the top surface portion 21 of the fixture 2 and the pedestal main portion 301 of the pedestal 30c. can be suppressed.

Moreover, since the illumination device 1c includes the lamp 3c, the above-described effect of the lamp 3c can be exhibited.

Embodiment 5.
FIG. 14 is a conceptual diagram showing the internal configuration of a lighting device 1d according to Embodiment 5. As shown in FIG. Note that FIG. 14 shows a cross section perpendicular to the longitudinal direction (X-axis direction) of the illumination device 1d. In addition, in FIG. 14, a part of the shielding wall 60 is cut away in order to show the state of the suspension bolts 8 arranged inside the shielding wall 60. As shown in FIG. A lighting device 1d according to Embodiment 5 will be described with reference to FIG.

The illumination device 1d according to Embodiment 5 differs from the illumination devices 1 and the like according to Embodiments 1 to 4 in that the lamp 3d has a shielding wall 60. FIG. The shielding wall 60 is fixed to the pedestal 30d in a lamp through-hole 300 formed in the pedestal 30d.

The shielding wall 60 is attached to the pedestal main portion 301 of the pedestal 30d. More specifically, the shielding wall 60 is attached to the lamp through-hole 300 formed in the pedestal 30d. The shielding wall 60 constitutes a bolt avoiding portion provided on the pedestal 30d, which is the first outer shell. The shielding wall 60 is attached to the pedestal 30d, which is the first outer shell, and is a protective cover that covers the tip side of the suspension bolt 8 when the lamp 3d is attached to the fixture 2 fixed to the suspension bolt 8. As shown in FIG. 14 , when the lamp 3 d is attached to the fixture 2 , the shielding wall 60 covers the tip 8 a of the suspension bolt 8 and also covers the threaded groove of the suspension bolt 8 .

The shielding wall 60 is formed using a metal material, and a fixing portion 63, which will be described later, is fixed to the pedestal 30d by a method such as caulking, welding, or screwing. The shielding wall 60 may be formed integrally with the pedestal 30d by a manufacturing method such as press working.

The shielding wall 60 is formed in a substantially cylindrical shape with a bottom. The shielding wall 60, which is a protective cover, is formed in a tubular shape so as to protrude from the pedestal 30d, which is the first outer shell, toward the cover 31, which is the second outer shell. The shielding wall 60 has a cylindrical shielding portion 61 , a closing portion 62 that closes one end of the shielding portion 61 , and a fixing portion 63 provided on the other end of the shielding portion 61 .

The shielding portion 61 is a cylindrical portion of the shielding wall 60 . In FIG. 14, the shielding part 61 is formed in a cylindrical shape, but if it is formed in a cylindrical shape so that the suspension bolt 8 can be inserted into the hollow part, it can be formed in other shapes such as a prismatic shape or a polygonal prismatic shape. may be An open opening 61 a is formed at one end of the shielding portion 61 , and a closed portion 62 is formed at the other end of the shielding portion 61 . When the shielding wall 60 is fixed to the pedestal 30d, the opening 61a of the shielding wall 60 becomes an open opening provided in the pedestal main portion 301 of the pedestal 30d.

The shielding wall 60 is formed with an opening 61a into which the hanging bolt 8 is inserted at the end opposite to the cover 31, which is the second outer shell. That is, the pedestal 30d, which is the first outer shell, has a bolt avoiding portion that opens at a position corresponding to the suspension bolt 8 penetrating the instrument 2, which is the housing, and forms an opening 61a into which the suspension bolt 8 is inserted.

The closing portion 62 is the bottom wall portion of the shielding wall 60 . The blocking portion 62 is a wall portion that covers the tip portion 8a of the suspension bolt 8 and faces the tip portion 8a when the suspension bolt 8 is inserted into the hollow portion of the shielding portion 61 .

An end portion of the shielding portion 61 opposite to the side where the blocking portion 62 is formed is an opening portion 61a. The fixing portion 63 is a portion formed like a flange at the end portion on the side of the opening portion 61a. When the shielding wall 60 is fitted into the lamp through-hole 300 , the fixing portion 63 faces the device placement surface 301 a of the pedestal main portion 301 and contacts the device placement surface 301 a of the pedestal main portion 301 . Note that the fixed portion 63 may be formed integrally with the base main portion 301 .

As shown in FIG. 14, when the lamp 3d is attached to the fixture 2, it is inserted through the fixture through-hole 210 and the lamp through-hole 300, and penetrates the top surface 21 of the fixture main body 20 and the pedestal main part 301 of the pedestal 30d. A suspended bolt 8 is arranged in the internal space S. The shielding wall 60 attached to the lamp through-hole 300 is also arranged in the internal space S, and the hanging bolt 8 is arranged inside the shielding wall 60 . The illumination device 1d according to the fourth embodiment differs from the illumination device 1 according to the first embodiment in that the shielding wall 60 is arranged in the internal space S when the lamp 3d is attached to the fixture 2.

[Actions and effects of fixture 2, lamp 3d, and illumination device 1d]
The lamp 3d has a base 30d with a shielding wall 60 that opens at a position corresponding to the suspension bolt 8 penetrating the fixture 2 and forms an opening 61a into which the suspension bolt 8 is inserted. Also, the light source section 32 is arranged between the pedestal 30d as the first outer shell and the cover 31 as the second outer shell at a position away from the shielding wall 60 as the bolt avoidance part. Therefore, when the lamp 3d is attached to the fixture 2, the hanging bolt 8 penetrates the opening 61a of the shielding wall 60, which is the bolt avoidance part, and does not interfere with the pedestal 30d. It does not interfere with the light source part 32 away from the wall 60. - 特許庁Therefore, the user does not have to cut the hanging bolt 8 to which the lighting device 1d is attached when installing the lighting device 1d.

The illumination device 1 d according to Embodiment 5 has a shielding wall 60 that covers the tip of the suspension bolt 8 . In the lighting device 1d according to Embodiment 5, since the tip of the suspension bolt 8 is covered with the shielding wall 60, when the lamp 3d is attached to the fixture 2, the suspension bolt 8 is unlikely to come into contact with the components of the lamp 3d. The risk of 3d damage is reduced. Further, when the power supply device 40c is arranged in the internal space S surrounded by the cover 31 and the pedestal 30d, the tip of the suspension bolt 8 is covered with the shield wall 60 in the lighting device 1d according to the fifth embodiment. This eliminates the risk that the hanging bolt 8 will come into contact with the power supply device 40c of the lamp 3d. Further, in the lighting device 1d according to the fifth embodiment, since the tip of the suspension bolt 8 is covered with the shielding wall 60 attached to the base 30d, the use of a conductive material for the base 30d prevents external noise and the like from occurring. This reduces the risk of dielectric breakdown of the lamp 3d.

The shielding wall 60, which is a protective cover, is formed in a tubular shape so as to protrude from the pedestal 30d toward the cover 31, and has an opening into which the suspension bolt 8 is inserted at the end opposite to the cover 31. 61a is formed. Therefore, when the lamp 3d is attached to the fixture 2, the hanging bolt 8 passes through the opening 61a of the shielding wall 60, which is the bolt avoiding portion, and does not interfere with the base 30d. Therefore, the user does not have to cut the hanging bolt 8 to which the lighting device 1d is attached when installing the lighting device 1d.

The light source part 32 is arranged so as to be positioned between the tip part 8a of the suspension bolt 8 and the cover 31 in a state where the lamp 3d is attached to the fixture 2 fixed to the suspension bolt 8 . Also, the light source unit 32 is arranged along the inner surface of the cover 31 that is the second outer shell. Also, the light source unit 32 is attached to the inner surface of the cover 31 that is the second outer shell. Therefore, when the lamp 3 d is attached to the fixture 2 fixed to the suspension bolt 8 , the shielding wall 60 does not block the light emitted from the light source section 32 of the lamp 3 d. Further, when the lamp 3d is attached to the fixture 2 fixed to the suspension bolt 8, the shadow of the shielding wall 60 is not projected onto the cover 31 by the light emitted from the light source 32 of the lamp 3d.

Further, since the illumination device 1d includes the lamp 3d, the above-described effect of the lamp 3d can be exhibited.

Embodiment 6.
FIG. 15 is a conceptual diagram showing the internal configuration of a lighting device 1e according to Embodiment 6. As shown in FIG. Note that FIG. 15 shows a cross section perpendicular to the longitudinal direction (X-axis direction) of the illumination device 1e. In addition, in FIG. 15, a portion of the shielding wall 60e is cut away to show the state of the suspension bolts 8 arranged inside the shielding wall 60e. A lighting device 1e according to Embodiment 6 will be described with reference to FIG.

The illumination device 1e according to Embodiment 6 differs from the illumination devices 1 and the like according to Embodiments 1 to 5 in that the pedestal 30e of the lamp 3e has a shielding wall 60e. The shielding wall 60e is a portion facing the tip portion 8a of the suspension bolt 8 of the pedestal main portion 301 when the lamp 3e is attached to the fixture 2, and expands in the direction away from the fixture 2, that is, in the downward direction Z2. It is the part that is formed to come out.

The shielding wall 60e constitutes a bolt avoidance portion provided on the pedestal 30e, which is the first outer shell. The shielding wall 60e, which is the bolt avoiding portion, bulges toward the cover 31, which is the second outer shell, from the pedestal 30e, which is the first outer shell, to form a recess. The shielding wall 60e is formed in a groove shape so as to be recessed toward the cover side in the pedestal main portion 301 . The shielding wall 60e is formed along the longitudinal direction (X-axis direction) of the pedestal 30e. The shielding wall 60 e has a height dimension (depth dimension) that does not come into contact with the light source section 32 . The tip side of the suspension bolt 8 is arranged inside the shielding wall 60e.

The shielding wall 60e is formed as part of the pedestal 30e. The shielding wall 60e may be formed by bending a metal plate (sheet metal part), or may be formed by extrusion.

The shielding wall 60e is formed so as to protrude from the plate-like portion 301e of the base main portion 301 toward the light source portion 32 in the lamp 3e. The plate-like portion 301e is a portion of the pedestal main portion 301 that is formed in a substantially flat plate shape. Note that the plate-like portion 301e may not be a complete flat plate, and may have, for example, unevenness, or may have a portion forming an inclined surface.

The shielding wall 60e is formed in a substantially U shape in a cross section perpendicular to the longitudinal direction (X-axis direction) of the lamp 3e. The shielding wall 60e has a pair of side wall portions 61e and a bottom wall portion 62e. The pair of side wall portions 61e are portions formed so as to extend from the pedestal main portion 301 toward the light source portion 32 in the lamp 3e. The pair of side wall portions 61e extend along the longitudinal direction (X-axis direction) of the lamp 3e.

The bottom wall portion 62e is a portion that forms the bottom wall of the shielding wall 60e. The bottom wall portion 62e is a wall portion that connects the ends of the pair of side wall portions 61e opposite to the base main portion 301 . The bottom wall portion 62e is a wall portion that covers the tip portion 8a of the suspension bolt 8 and faces the tip portion 8a when the suspension bolt 8 is inserted inside the shielding wall 60e. Further, the bottom wall portion 62e is the portion closest to the light source portion 32 among the portions constituting the base main portion 301 in the lamp 3e.

An opening 63e is formed at the end of the shielding wall 60e opposite to the bottom wall 62e. That is, the opening 63e is formed between two plate-like portions 301e positioned on both sides of the shielding wall 60e in the lateral direction (Y-axis direction). The opening 63e is an opening formed in the pedestal main portion 301 and provided in the pedestal 30e. The pedestal 30e, which is the first outer shell, has a bolt avoiding portion which opens at a position corresponding to the hanging bolt 8 penetrating the device 2, which is the housing, and forms an opening 63e into which the hanging bolt 8 is inserted.

A space S2 is formed inside the shielding wall 60e, and the space S2 functions as a bolt accommodating portion in which the hanging bolt 8 can be accommodated. The space S2 is a space surrounded by a pair of side wall portions 61e and a bottom wall portion 62e. The shielding wall 60e is provided so as to extend along the longitudinal direction (X-axis direction) of the pedestal 30e, which is the elongated first outer shell. The shielding wall 60e is formed over the entire longitudinal direction (X-axis direction) of the pedestal 30e.

As shown in FIG. 15, the power supply device 40e of the lighting device 1e can be arranged on one side of the shielding wall 60e or on both sides of the shielding wall 60e in the lateral direction (Y-axis direction) of the lamp 3e. can be done. The power supply device 40e may be divided into a plurality of units, or may be integrated into a single unit.

As shown in FIG. 15, when the lamp 3e is attached to the fixture 2, it is inserted through the fixture through hole 210 and inserted into the shielding wall 60e from the opening 63e. is arranged in the space S2 inside the shielding wall 60e. Moreover, the shielding wall 60 e of the base main portion 301 bulges out so as to approach the light source portion 32 .

[Actions and Effects of Fixture 2, Lamp 3e, and Lighting Device 1e]
The lamp 3e has a base 30e with a shielding wall 60e that opens at a position corresponding to the hanging bolt 8 passing through the fixture 2 and forms an opening 63e into which the hanging bolt 8 is inserted. Also, the light source section 32 is arranged between the pedestal 30e as the first outer shell and the cover 31 as the second outer shell at a position away from the shielding wall 60e as the bolt avoidance part. Therefore, when the lamp 3e is attached to the fixture 2, the suspension bolt 8 penetrates the opening 61a of the shield wall 60e, which is the bolt avoidance part, and does not interfere with the pedestal 30e. It does not interfere with the light source part 32 away from the wall 60e. Therefore, the user does not have to cut the hanging bolt 8 to which the lighting device 1e is attached when installing the lighting device 1e.

The shielding wall 60e, which is a bolt avoiding portion, is a portion that protrudes from the pedestal 30e, which is the first outer shell, toward the cover 31, which is the second outer shell, to form a recess. A portion 63e is formed. Therefore, when the lamp fixture 3e is attached to the fixture 2, the suspension bolt 8 passes through the opening 61a of the shield wall 60e, which is the bolt avoidance part, and the light source part 32 and the light source part 32 separated from the bolt avoidance part, the shield wall 60e. do not interfere. Therefore, the user does not have to cut the hanging bolt 8 to which the lighting device 1e is attached when installing the lighting device 1e.

The shielding wall 60e, which is a bolt avoidance part, is provided so as to extend along the longitudinal direction (X-axis direction) of the pedestal 30e, which is a first outer shell formed in a long shape. Therefore, the mounting position of the lamp 3e with respect to the suspension bolt 8 is not limited in the longitudinal direction (X-axis direction).

The lighting device 1e according to Embodiment 6 has a shielding wall 60e that covers the tip of the hanging bolt 8. As shown in FIG. In the lighting device 1e according to Embodiment 6, the tip of the hanging bolt 8 is covered with the shielding wall 60e. 3e is less likely to be damaged. Further, when the power supply device 40e is arranged in the internal space S surrounded by the cover 31 and the pedestal 30e, the tip of the suspension bolt 8 is covered with the shield wall 60e in the lighting device 1e according to the sixth embodiment. The risk of touching the power supply 40e is eliminated. Further, in the lighting device 1e according to Embodiment 6, the tip of the suspension bolt 8 is covered with the shielding wall 60e, so the risk of dielectric breakdown of the lamp 3e caused by external noise or the like is reduced.

The light source part 32 is arranged so as to be positioned between the tip part 8a of the suspension bolt 8 and the cover 31 in a state where the lamp 3e is attached to the fixture 2 fixed to the suspension bolt 8 . Also, the light source unit 32 is arranged along the inner surface of the cover 31 that is the second outer shell. Also, the light source unit 32 is attached to the inner surface of the cover 31 that is the second outer shell. Therefore, when the lamp 3e is attached to the fixture 2 fixed to the hanging bolt 8, the shielding wall 60e does not block the light emitted from the light source section 32 of the lamp 3e. Further, when the lamp 3e is attached to the fixture 2 fixed to the hanging bolt 8, the shadow of the shielding wall 60e is not projected onto the cover 31 by the light emitted from the light source 32 of the lamp 3e.

Moreover, since the illumination device 1e includes the lamp 3e, the above-described effect of the lamp 3e can be exhibited.

Although the embodiments and modifications have been described above, two or more of these embodiments and modifications may be combined. Alternatively, one of these embodiments and modifications may be partially implemented. Alternatively, two or more of these embodiments and modifications may be partially combined. The present disclosure is not limited to these embodiments and modifications, and various modifications are possible as necessary.

1 lighting device, 1b lighting device, 1c lighting device, 1d lighting device, 1e lighting device, 2 fixture, 3 lamp, 3b lamp, 3c lamp, 3d lamp, 3e lamp, 7 protective cap, 8 hanging bolt, 8a tip, 9 Attached portion 20 Instrument main body 21 Top surface 22 Side surface 22a Base end 22b Tip 22c Opening 23 Inclined part 24 Spring 25 Terminal block 26 Instrument side electric wire 27 Instrument end Part 29 Lamp housing portion 30 Pedestal 30c Pedestal 30d Pedestal 30e Pedestal 31 Cover 31a Lamp opening 31c Cover 32 Light source portion 38 Lamp side wire 40 Power supply device 40c Power supply device 40e Power supply device , 45 spring holder, 49 lamp-side electric wire, 50 protective lid, 51 cylindrical portion, 51a opening, 52 wall portion, 53 collar portion, 54 locking portion, 54a base portion, 54b upper portion, 54c inclined portion, 60 shielding wall, 60e shielding wall, 61 shielding part, 61a opening, 61e side wall part, 62 blocking part, 62e bottom wall part, 63 fixing part, 63e opening, 80 fixing tool, 85 nut, 86 washer, 210 instrument through hole, 211 electric wire Insertion hole 300 Lamp through-hole 301 Base main portion 301a Device placement surface 301e Plate-like portion 302 Base side portion 302a Base end portion 302b Tip end portion 302c Spring receiving fixture 305 Wire insertion portion 310 Cover Body Part 310a Ejection Part 311 Cover Attachment Part 312 Engagement Part 313 Support Part 315 Cover End Part 318 Holding Area 450 Spring Engagement Part 451 Spring Engagement Hole 452 Metal Fixing Piece 462 Receiver Overhang, 470 external feeder, 471 internal feeder, 480 external connector, 481 internal connector.

Claims (10)

A lighting fixture attached to a housing fixed to a mounting portion using a bolt provided in the mounting portion,
In a state in which the lamp is attached to the housing fixed to the bolt,
a first shell connected to the housing and including a plate-shaped portion;
A translucent first outer shell fixed to the edge of the first outer shell and disposed on the opposite side of the housing with the first outer shell in between so as to cover the surface opposite to the housing. 2 outer shell;
a light source unit arranged on the first outer shell side of the second outer shell;
has
The first shell is
a bolt avoidance part that opens at a position corresponding to the bolt penetrating the housing and forms an opening into which the bolt is inserted;
The light source unit
A lighting fixture arranged at a position separated from the bolt avoidance portion between the first outer shell and the second outer shell. The light source unit
In a state in which the lamp is attached to the housing fixed to the bolt,
2. The lamp according to claim 1, wherein the lamp is positioned between the tip of the bolt and the second outer shell. The light source unit
3. The lamp according to claim 1, arranged along the inner surface of the second outer shell. The light source unit
4. The lamp according to any one of claims 1 to 3, wherein the lamp is attached to the inner surface of the second outer shell. The bolt avoidance part is
5. The portion of the first shell that protrudes toward the second shell to form a recess, and forms the opening into which the bolt is inserted in the first shell. 1. The lamp according to item 1. The bolt avoidance part is
6. The lamp according to claim 5, wherein the first outer shell is elongated and extends along the longitudinal direction. The bolt avoidance part is
5. The lamp according to any one of claims 1 to 4, which is a through hole penetrating the first shell and forms the opening into which the bolt is inserted in the first shell. The bolt avoidance part is
A protective cover that is attached to the first outer shell and covers a tip end side of the bolt in a state where the lamp is attached to a housing fixed to the bolt,
The protective cover is
It is formed in a cylindrical shape so as to protrude from the first outer shell toward the second outer shell,
5. The lamp according to any one of claims 1 to 4, wherein the opening into which the bolt is inserted is formed at the end opposite to the second outer shell. further comprising a power supply device that supplies power to the light source;
The power supply device
The lamp according to any one of claims 1 to 8, arranged in an internal space surrounded by the first outer shell and the second outer shell. the housing fixed to the mounting portion using the bolt;
the lamp according to any one of claims 1 to 9, which is mounted on the housing;
A lighting device with

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