JP2000048623A - Luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and surely ground a reflector fitted to a luminaire body of the luminaire. SOLUTION: In this luminaire 1, a chassis 4 of the luminaire body 2 and a reflector body 12 of a reflector 11 are formed by color steel plates obtained by forming resin painting films on both sides of metal plates A in advance. The chassis 4 is notched to form an aperture 5 the end face of which is a supporting part side end face exposing part 6 where the metal plate A is exposed. The metal plate A of the chassis 4 is grounded. The reflector 11 is cut and raised to form a raised part 14 the end face of which is a fitting part side end face exposing part 15 where the metal plate A is exposed. When the reflector 11 is fitted to the luminaire body 2, the fitting part side end face exposing part 15 is contacted with the supporting part side end face exposing part 6, thus the reflector 11 can be grounded through the luminaire body 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting fixture having a conductive fixture body and a conductive member to be attached to the fixture body.

[0002]

2. Description of the Related Art Conventionally, the outer shell of a lighting fixture (a non-charged metal part).
That is, when the appliance body is made of a conductive metal, it is stipulated that the appliance body be grounded, that is, grounded, for safety in the event that the charging part comes into contact with the metal part.

[0003]

Today, when a member to be mounted such as a separate reflector is attached to the instrument body,
In order to improve the appearance, it is conceivable to form the reflection plate or both the instrument body and the reflection plate using a so-called color steel plate in which the surface of a metal plate is painted in advance. However, in this color steel plate, since the surface of the metal plate is covered with the insulating film, merely by mechanically connecting the reflector to the fixture body or the like, the fixture body and the reflector are electrically connected. And there is a possibility that the grounding of the reflector is not sufficiently ensured.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a lighting fixture which can easily secure an electrical connection between a member to be attached to the fixture main body and the fixture main body. .

[0005]

According to a first aspect of the present invention, there is provided a lighting apparatus including a support body having a support having a conductive plate covered with an insulating film having an insulating property; A mounting member having a mounting portion in which the surface of a conductive plate having conductivity is covered with an insulating film having an insulating property; and a support portion side end surface exposed portion in which a support portion is cut to expose an end surface of the conductive plate. A mounting portion side end exposed portion that is in contact with the support portion side end exposed portion in a state where the mounting portion is cut to expose the end surface of the conductive plate and the mounting portion is mounted on the support portion.

In this configuration, the mounting portion of the mounting member is mounted on the supporting portion of the appliance main body, and the mounting member is mounted on the appliance main body. In addition, since the support portion of the instrument body and the attachment portion of the member to be attached cover the surface of the conductive plate having conductivity with an insulating film having insulation properties, the appearance and corrosion resistance are easily improved. The electrical connection between the member to be attached and the instrument body is reliably ensured by the contact between the exposed end face of the supporting part and the exposed end face of the mounting part. Because the exposed end face of the supporting part and the exposed end face of the mounting part use the cut end faces, they can be formed easily and have an appearance and corrosion resistance compared to a configuration in which the insulating film on the surface is cut into a planar shape. The properties are easily improved.

According to a second aspect of the present invention, in the lighting apparatus according to the first aspect, one of the exposed end face on the supporting part side and the exposed end face on the mounting part is formed by cutting and raising.
Either one is cut out and formed.

In this configuration, the exposed end face of the supporting portion and the exposed end face of the mounting portion are easily formed by cutting and raising, and the engagement between the cut and raised portion and the cut portion. The mounting portion of the member to be mounted can be firmly attached to the support portion of the instrument body.

A lighting fixture according to a third aspect of the present invention is a lighting fixture main body; a conductive fitting electrically and mechanically connected to the fixture main body; a conductive fitting attached to the fitting and having conductivity. A mounting member having a mounting portion in which the surface of the conductive plate is covered with an insulating film having an insulating property; and a connection fitting in a state where the mounting portion is cut to expose an end surface of the conductive plate and the mounting portion is mounted on the connection fitting. And an exposed portion on the side of the mounting portion that comes into contact with the end portion.

[0010] In this configuration, the mounting portion of the member to be mounted is attached to the connection fitting attached to the instrument body, and the member to be attached is attached to the instrument body. And
Since the mounting portion of the mounted member covers the surface of the conductive plate having conductivity with the insulating film having insulating properties, the appearance and corrosion resistance are easily improved. The electrical connection between the member to be attached and the instrument body is reliably secured via the connection fitting by contacting the exposed end face of the mounting portion side with the connection fitting. Since the exposed end surface of the mounting portion side uses the cut end surface, it is easily formed and the appearance and corrosion resistance are easily improved as compared with a configuration in which the insulating film on the surface is cut into a planar shape.

A lighting device according to a fourth aspect of the present invention is a lighting device body having conductivity; a member to be mounted having a mounting portion in which the surface of a conductive plate having conductivity is covered with an insulating film having insulation; A mounting-side end surface exposed portion obtained by cutting the end surface of the conductive plate, and a mounting-side fixing portion electrically and mechanically connected to the appliance body, and electrically connected to the mounting-side fixing portion. And a fixture having a fixture-side support portion that mechanically supports a member to be attached, the fixture-side conducting portion being in contact with the mounting portion-side end face exposed portion.

In this configuration, the mounting portion of the member to be mounted is attached to the instrument body by the attachment, and the member to be attached is attached to the instrument body. Since the mounting portion of the member to be mounted covers the surface of the conductive plate having conductivity with an insulating film having insulating properties, the appearance and corrosion resistance are easily improved. The fixture includes a fixture-side fixed portion that is electrically and mechanically connected to the appliance body, and a fixture-side conductive portion that is electrically connected to the fixture-side fixed portion and that contacts the mount-side end face exposed portion. With this arrangement, the electrical connection between the member to be attached and the instrument body is reliably ensured via this attachment. Since the exposed end surface of the mounting portion side uses the cut end surface, it is easily formed and the appearance and corrosion resistance are easily improved as compared with a configuration in which the insulating film on the surface is cut into a planar shape.

A lighting fixture according to a fifth aspect of the present invention is a lighting fixture body having conductivity; a mounting member which is attached to the lighting fixture body and has a conductive plate covered with an insulating film having an insulating property; And a conductive fall-preventing body that mechanically and electrically connects the mounting member and the attached member.

In this configuration, the surface of the conductive plate having conductivity is covered with the insulating film having insulation properties of the member to be attached to the instrument body, so that the appearance and corrosion resistance are easily improved. Since the fall prevention member that supports the mounted member has conductivity, electrical connection between the mounted member and the instrument body is easily and reliably secured via the fall prevention member. Further, since the fall prevention member is used, the number of assembly steps and the number of parts are not increased, and the manufacturing cost is suppressed.

[0015] A lighting fixture according to a sixth aspect of the present invention is a lighting fixture having conductivity; a conductive attached member attached to the fixture main body; and one of the fixture body and the attached member. A connecting protrusion having conductivity protruding toward the device; provided on one of the instrument main body and the attached member, the connecting protrusion is inserted and electrically connected and mechanically connected in a chain. Connection receiving part;
It is provided with.

In this configuration, when the member to be mounted is attached to the instrument body and the connection projection is inserted into the connection receiving portion, the member is electrically connected and mechanically connected in a chain, and the member to be attached and the instrument body are connected. And the electrical connection with the battery is easily and reliably secured.

According to a seventh aspect of the present invention, in the lighting apparatus according to any one of the first to sixth aspects, the member to be mounted is a reflector.

In this configuration, the reflective plate having conductivity is reliably electrically connected to the instrument body, and the reflector is reliably grounded via the instrument body.

An illuminating device according to an eighth aspect of the present invention is an illuminating device, comprising: a luminaire main body having a support portion in which the surface of a conductive plate having conductivity is covered with an insulating film having an insulating property; A mounting member having a mounting portion in which the surface of the plate is covered with an insulating film having an insulating property; a mounting spring for mounting the mounting member to the appliance body; and exposing an end face by cutting one of the support portion and the mounting portion. And a contact spring that is electrically and mechanically connected to the other of the support portion and the mounting portion and that is pressed against the exposed end surface by the urging force of the mounting spring.

In this configuration, the member to be mounted is mounted on the instrument body using the mounting spring. And
Since the supporting portion of the instrument body and the mounting portion of the member to be mounted cover the surface of the conductive plate having conductivity with the insulating film having insulating properties, the appearance and corrosion resistance are easily improved. The contact spring comes into pressure contact with the exposed end face by the urging force of the mounting spring, so that the electrical connection between the mounted member and the instrument body is reliably ensured. Since the end face exposed portion uses the cut end face, the end face exposed portion is easily formed and the appearance and corrosion resistance are easily improved as compared with a configuration in which the surface insulating film is cut into a planar shape.

[0021]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a lighting device according to an embodiment of the present invention.

FIG. 1 is a partially enlarged sectional view showing a first embodiment of a lighting fixture of the present invention, FIG. 2 is a perspective view of the lighting fixture, FIG. 3 is a cross-sectional view of the lighting fixture, and FIG. FIG. 5 is a perspective view of the lighting device in an exploded state, and FIG. 5 is a perspective view of the lighting device in an exploded state in which a part of the lighting device is enlarged.

In FIG. 1 to FIG. 5, reference numeral 1 denotes a lighting fixture. The lighting fixture 1 constitutes a so-called trough-shaped lighting fixture having a fixture main body 2 which is directly mounted on a ceiling surface or supported by being suspended. . The appliance body 2 includes a chassis 4 as a support portion formed by using a so-called colored steel plate in which both surfaces of a metal plate A as a conductive plate having conductivity are coated with ivory or the like, that is, an insulating film is formed. . In addition, for example, the metal plate A is a galvanized steel plate, the insulating film is a resin coating film, and a colored galvanized steel plate is configured. The chassis 4 includes an upper plate portion 4a and side plate portions 4b continuous on both sides along the longitudinal direction of the upper plate portion 4a.
And an end plate portion 4c that covers both ends in the longitudinal direction, and is formed in a substantially box shape with an open lower surface. Further, along the lower end of the side plate portion 4b, an engagement receiving portion (body curl portion) 4d bulging outward in an arc shape is integrally formed. One or more openings are cut out and opened in the engagement receiving portion 4d, and the end surface of the opening 5 which is the electrically conductive fitting portion is a support-side end surface where the metal plate A is exposed. The exposed portion 6 is provided.
The chassis 4 is directly attached to the ceiling surface using a wood screw hole formed in the upper plate portion 4a, or is suspended and supported using a bolt hole.

An electronic ballast 7 and a terminal block (not shown) are housed and fixed inside the chassis 4. Further, opposing lamp sockets 8 are attached to both ends in the longitudinal direction so as to protrude downward. Then, a power supply line is drawn into the chassis 4 through a power supply hole formed in the upper plate portion 4a and connected to a terminal block, and connected to the ballast 7 and the lamp socket 8 from the terminal block. I have.

The metal plate A of the chassis 4 is grounded, that is, grounded by a power supply line or the like.

Reference numeral 11 denotes a reflector as a member to be mounted.
The reflecting plate 11 includes a reflecting plate main body 12 as a mounting portion formed by using a so-called color steel plate in which both surfaces of a metal plate A as a conductive plate having conductivity are coated with white or the like, that is, an insulating film is formed. I have. In addition, this reflection plate body 12
A reflector plate portion 12a having a flat plate shape, and an attachment plate portion 12b bent upward from both sides along the longitudinal direction of the reflector plate portion 12a.
Are formed. The upper end of the mounting plate portion 12b is bent inward in an arc shape, and the engaging portion (reflection plate curl portion) 12
c is formed. Further, one or more locations are cut and raised inside the mounting plate portion 12b, and the end surface of the cut and raised portion 14 which is the electrically conductive cut and raised portion is a mounting portion side end surface where the metal plate A is exposed. It is the exposed part 15. Also, the reflector
A socket insertion portion 16 through which the lamp socket 8 is inserted is formed at both ends in the longitudinal direction of 12a.

The reflecting plate body 12 of the reflecting plate 11
By fitting the engagement portion 12c into the engagement receiving portion 4d from below and engaging the engagement portion 12c, the reflector 12a is attached to the chassis 4 of the instrument main body 2 in a state of covering the opening 5. Further, in this state, the cut-and-raised portion 14 is inserted into and engaged with the opening 5, and the mounting portion side end face exposed portion 15 is elastically pressed against the support portion side end face exposed portion 6, and the metal plate A of the reflection plate 11 is pressed. Are electrically connected to the metal plate A of the instrument body 2.

In this state, by mounting a straight tube-type fluorescent lamp L between the lamp sockets 8 facing each other, this fluorescent lamp L faces the lower surface of the reflector portion 12a.

As described above, according to the present embodiment, the engaging portion 12c of the reflecting plate body 12 is fitted into the engaging receiving portion 4d of the chassis 4, the reflecting plate 11 is attached to the fixture main body 2, and the lighting fixture is mounted. 1
Can be assembled.

Since the chassis 4 of the instrument body 2 and the reflector plate body 12 of the reflector plate 11 are formed of a colored steel plate having the surface of a conductive metal plate A painted in advance.
The manufacturing process can be simplified, and the appearance and corrosion resistance can be easily improved.

Further, in a state where the reflector 11 is attached to the instrument body 2, the supporting-part-side end-face exposed part 6 is attached to the mounting-part-side end-face exposing part.
Lighting that can reliably secure the electrical connection between the fixture body 2 and the reflector 11 via the cut surface material and the plating layer because it comes into contact with the reflector 15 and reliably grounds the reflector 11 via the fixture body 2 A grounding structure for the device can be provided.

Further, since the exposed end face 6 on the supporting part side and the exposed end face 15 on the mounting part side use end faces cut and raised and cut out, respectively, the insulating film on the surface is cut into a planar shape. Compared with this, it can be easily formed, and the appearance and corrosion resistance can be easily improved.

Furthermore, the opening 5 of the end face exposed portion 6 on the supporting portion side
Since the cut-and-raised portion 14 of the mounting portion side end face exposed portion 15 is engaged with the light-emitting device, the reflection plate 11 can be firmly attached to the instrument body 2.

The appearance can be improved by forming the openings 5 and the cut-and-raised portions 14 at positions where they cannot be seen in appearance.

Further, by providing at least two pairs of the opening 5 and the cut-and-raised portion 14, that is, the exposed portion 6 on the side of the supporting portion and the exposed portion 15 on the side of the mounting portion, electrical connection can be ensured.

Next, a second embodiment will be described with reference to FIGS.

FIG. 6 is an exploded perspective view showing a second embodiment of a lighting fixture according to the present invention in a partially enlarged state, FIG. 7 is a sectional view of the lighting fixture in an exploded state, and FIG. It is sectional drawing of the comparative example.

In FIGS. 6 and 7, reference numeral 21 denotes a lighting fixture. The lighting fixture 21 includes a fixture main body 22 suspended and installed on a ceiling surface. The instrument body 22 includes a chassis 24 as a support portion formed by using a so-called color steel plate in which both surfaces of a metal plate A as a conductive plate having conductivity are coated with ivory or the like, that is, an insulating film is formed. . In addition, for example, the metal plate A is a galvanized steel plate,
The insulating film is a resin coating film, and is composed of a colored galvanized steel sheet. The chassis 24 includes an upper plate portion 24a,
The upper plate portion 24a includes an inclined side plate portion 24b continuous on both sides along the longitudinal direction of the upper plate portion 24a, and an end plate portion (not shown) that covers both ends in the longitudinal direction. It is formed in a box shape. Further, along the side plate portion 24b and the lower end portion of the end plate portion, a frame portion 24c abutting on the lower surface of the ceiling surface.
Are formed. Further, the upper plate portion 24a is cut and raised at one or a plurality of positions on the lower side, and the end face of the cut and raised portion 25, which is the V-reflecting plate fitting cut and raised portion, exposes the metal plate A in an inclined manner. The supporting portion side end surface exposed portion 26 is formed. The chassis 24 is suspended and supported using mounting bolt holes formed in the upper plate portion 24a.

An electronic ballast 27 is provided on the lower surface of the upper plate portion 24a of the chassis 24 along the central portion in the longitudinal direction.
And a terminal block (not shown) are fixed. Two pairs of lamp sockets 28 facing each other in the longitudinal direction are attached to both ends in the longitudinal direction. Then, through a power supply hole formed in the upper plate portion 24a or the like, the power supply line is drawn into the chassis 24 and connected to the terminal block, and connected to the ballast 27 and the lamp socket 28 from the terminal block. I have. The metal plate A of the chassis 24 is grounded, that is, grounded by a power supply line or the like. In addition, the upper plate
A V-reflecting plate fixing spring 29 made of an elastically deformable plate or the like is attached to the lower surface of 24a along the central portion in the longitudinal direction. The V reflector fixing spring 29 includes a pair of elastically deformable arms 29a. Each of the arms 29a has an engagement receiving portion 29b, which is a mounting button directed downward and outward.
Is protruding.

On the other hand, 31 is a reflector as a member to be mounted,
The reflecting plate 31 has a reflecting plate main body 32 as a mounting portion obtained by bending a metal plate A as a conductive plate having conductivity in a V-shape,
A plate-shaped baffle 33 is inserted and fixed in a slit formed in the reflection plate main body 32. In addition, after combining the reflector main body 32 and the baffle 33, the reflector 31 is coated with a paint such as white to form an insulating film on the entire surface. The reflector plate body 32 has a reflector plate portion 32a having a substantially V-shaped cross section, and a body facing portion 32b bent inward is formed at the upper end of the reflector plate portion 32a. A circular engaging portion 32c is formed at an intermediate portion of the reflecting plate portion 32a. Further, the reflection plate 32
a and the main body facing portion 32b are cut open at the corners, and the end face of the opening 34, which is the electrically conductive fitting portion, is
Are exposed to the mounting portion side end surface 35.

The reflector plate 32 of the reflector 31 is
While the V-reflector fixing spring 29 is elastically deformed, the engaging portion 32c is fitted into and engaged with the engaging receiving portion 29b from below, so that the reflector 32a covers the ballast 27 and the like. It is attached to the chassis 24 of the instrument body 22. Further, in this state, the exposed portion 35 on the mounting portion side of the reflector main body 32 is
Elastically pressed against the exposed end portion 26 of the supporting portion side of the
Is electrically connected to the metal plate A of the instrument main body 22.

In this state, by mounting a straight tube-type fluorescent lamp L between the lamp sockets 28 facing each other, the fluorescent lamp L faces the reflector 32a.

As described above, according to the present embodiment, the first
This embodiment has the same function and effect as the embodiment. That is, in the chassis 24 and the reflector 31 in which the insulating film is formed by applying the coating on both sides of the metal plate A, as in the comparative example shown in FIG. twenty four
The electrical connection between the chassis 24 and the reflection plate 31 is not secured only by being inserted into and engaged with the engagement receiving portion 24d provided in a dowel shape. Since the support portion side end surface exposed portion 26 comes into contact with the mounting portion side end surface exposed portion 35 in a state where the device 31 is mounted, the electrical connection between the appliance body 22 and the reflector 31 via the cut surface material and the plating layer. It is possible to provide a grounding structure of a lighting fixture that can reliably secure the connection and reliably ground the reflection plate 31 via the fixture main body 22. Also, the engaging portion 32c of the reflecting plate main body 32 is fitted into the engaging receiving portion 29b of the chassis 24, and the reflecting plate 31 is attached to the fixture main body 22, so that the lighting fixture
21 can be assembled. In addition, since the supporting portion side end surface exposed portion 26 and the mounting portion side end surface exposed portion 35 use the end faces cut and raised and cut out, respectively, compared to a configuration in which the insulating film on the surface is cut into a planar shape, etc. In addition to being easily formed, appearance and corrosion resistance can be easily improved. Note that the appearance can be improved by forming these openings 34 and cut-and-raised portions 25 at positions that are invisible in appearance. In addition, these openings 34
By providing at least two pairs of the cut-and-raised portion 25, that is, the exposed portion 26 on the side of the support portion and the exposed portion 35 on the side of the mounting portion, electrical connection can be ensured.

Next, referring to FIG. 9 to FIG.
An embodiment will be described.

FIG. 9 is an exploded perspective view showing a third embodiment of the lighting fixture of the present invention, FIG. 10 is a perspective view of the lighting fixture, and FIG. 11 is a sectional view of the lighting fixture.

Hereinafter, the same components as those in the above-described embodiment will be denoted by the same reference numerals, and description thereof will be omitted.

That is, the device main body 2 is the same as that of the first embodiment, but instead of the opening 5 of the engagement receiving portion 4d, a pair of slit-shaped openings is formed at the lower end of the side plate portion 4b on both sides. A portion (reflection plate mounting bracket receiving hole) 41 is formed, and an end surface exposing portion for a fitting bracket 42 from which the metal plate A is exposed is formed.

Reference numeral 44 denotes a connection fitting (reflection plate mounting fitting).
The connection fitting 44 is, for example, a metal plate A having conductivity.
Is galvanized so that the surface is conductive. The connection fitting 44 is provided with main body mounting portions 46 protruding inward from both end portions.
The connection fitting 44 is electrically and mechanically connected to the instrument body 2 by inserting and engaging the 46 into the opening 41 of the instrument body 2 from the outside. Also, at the center of the connection fitting 44,
A knob latch receiving portion 48 is formed, and this knob latch receiving portion is formed.
An oval latch engaging hole 49 is formed in 48.

The reflecting plate 51 as a member to be mounted has a mounting portion formed by using a so-called color steel plate in which both surfaces of a metal plate A as a conductive plate are coated with white or the like, that is, an insulating film is formed. And a reflection plate main body 52 as the main body. In addition, the reflecting plate body 52 includes a reflecting plate portion 52a having a flat plate shape and an inclined plate portion 52b which is bent downward from both sides along the longitudinal direction of the reflecting plate portion 52a. Is formed. A plurality of latch engagement portions 54 are formed on the reflection plate portion 52a. The latch engagement portion 54 has a concave portion formed in a circular shape toward the upper side.
54a and an odd-shaped latch insertion hole 54b formed in the recess 54a.
Sides are cut and raised upward, and these cut and raised portions
The end surface of the mounting portion 55 is exposed at the mounting portion side where the metal plate A is exposed.
It has become.

Reference numeral 58 denotes a latch which is a mounting tool. The latch 58 includes a substrate portion 58a on a disk, a shaft portion 58b projecting upward from the substrate portion 58a, and a tip of the shaft portion 58b. A locking portion 58c is provided to extend from the base portion, and a knob portion 58d protruding downward from the substrate portion 58a. Then, the shaft portion 58b of the latch 58 is inserted into the latch insertion hole 54b of the reflection plate 51 and the latch engagement hole 49 of the connection fitting 44, and the knob portion 58
By pinching and rotating d, the substrate portion 58a
The stopper 58c abuts from below on the concave portion 54a of the connecting member 44, and the locking portion 58c abuts on the body mounting portion 46 of the connection fitting 44 from above.
Is attached to the connection fitting 44. further,
In this state, the mounting portion side end surface exposed portion 56 of the reflection plate 51 comes into contact with the lower surface of the connection fitting 44 to be electrically connected.

In this embodiment, two lamp sockets 59 are attached to both ends of the chassis 4 of the fixture body 2, and two fluorescent lamps L face the lower surface of the reflector 51. Be attached.

Also in this embodiment, the same operation and effect as those of the above-described embodiments can be obtained. By attaching the reflection plate 51 to the connection fitting 44 by using the latch 58, the device main body 2 can be connected. In addition, the grounding of the reflection plate 51 whose surface is covered with the insulating film can be easily and reliably ensured.

Next, referring to FIG. 12 and FIG.
An embodiment will be described.

FIG. 12 is an exploded sectional view showing a fourth embodiment of the lighting fixture of the present invention, and FIG. 13 is an enlarged sectional view of a part of the lighting fixture.

In this embodiment, the instrument main body 2
Is formed larger than the appliance main body 2 of the first embodiment, and is electrically and mechanically connected to the inside of the side plate portion 4b and the end plate portion 4c of the chassis 4 of the appliance main body 2 by welding or the like. Two lamp sockets 8 are attached to the plate portion 62. At the lower end of the side plate portion 4b, a frame portion 4e that comes into contact with the ceiling surface when the device main body 2 is embedded in the ceiling and installed is formed. And, in each support plate portion 62, an attachment support portion 63 bulging upward is formed at a central portion in the width direction,
A screw hole 64 is formed in the mounting support 63.

On the other hand, the reflecting plate 66 as a member to be mounted has a mounting portion formed by using a so-called color steel plate in which both surfaces of a metal plate A as a conductive plate are coated with white or the like, that is, an insulating film is formed. And a reflection plate main body 67 as the main body. The reflector plate body 67 includes a reflector plate portion 67a having a flat plate shape, and an inclined plate portion 67b which is bent downward from both sides along the longitudinal direction of the reflector plate portion 67a. Is formed. A circular hole 68 having a predetermined diameter is formed in the reflecting plate portion 67a in the vicinity of both ends in the longitudinal direction, and the end surface of the circular hole 68 is attached to the mounting portion side end surface exposing portion 69 where the metal plate A is exposed. It has become.

Reference numeral 71 denotes a fixture. The fixture 71 is a conductive metal screw part 72 as a fixture on the fixture side.
This is a so-called decorative screw having a fixing portion 73 made of a synthetic resin as a mounting-side support portion. Further, in this mounting tool 71, a plurality of, for example, three or four, mounting-side conductive parts 74 having conductivity are located from the knob part 73 around the screw part 72 in the same direction as the screw part 72. Is protruding. The attachment-side conducting portion 74 is formed integrally with the base portion 75 of the screw portion 72 embedded in the knob portion 73, that is, is electrically connected to the screw portion 72. Further, the diameter of a virtual tangent line that is in contact with the outside of the fixture-side conducting portion 74 around the screw portion 72 is formed substantially equal to the diameter of the circular hole 68.

Also in this embodiment, the same operation and effect as those of the above embodiments are obtained, and the screw portion 72 of the fixture 71 is screwed into the fixture body 2 through the circular hole 68 of the reflection plate 66. Hole
By inserting it into the screw 64 and screwing it, the reflector 71 can be mechanically connected to the instrument main body 2 and attached by the fixture 71. Further, in this state, the screw portion 72 of the fixture 71 is electrically connected to the chassis 4 of the instrument body 2, and the fixture-side conducting portion 74 of the fixture 71 is connected to the end face of the circular hole 68 of the reflection plate 66. The device main body 2 and the reflection plate 66 can be electrically connected via the fixture 71 by being pressed against and electrically connected to the end face exposed portion 69 on the attachment portion side.

Next, a fifth embodiment will be described with reference to FIG.

FIG. 14 is an exploded sectional view showing a fifth embodiment of the luminaire of the present invention.

That is, when the lighting fixture 21 is provided with a fall prevention member 81 for preventing the reflection plate 31 as a member to be attached from falling from the fixture main body 22, the fall prevention member 81 is made conductive. This makes it possible to easily and reliably secure the electrical connection between the instrument body 22 and the reflector 31 without increasing the number of assembling steps and the number of parts when assembling the instrument. That is, as shown in FIG. 14, the fall prevention body 81 is a fall prevention chain formed of a string-like member such as a conductive metal chain, and the base 81a is electrically connected to the chassis 24 of the instrument body 22. The metal hook portion 81b, which is mechanically connected and provided at the tip end, is connected to the baffle of the reflector 31.
By hooking on the string hole 33a formed in the 33, the electrical connection between the instrument main body 22 and the reflection plate 31 can be secured via the fall prevention member 81. Note that the fall prevention member is not limited to a chain, and may be formed of, for example, a single-string string or a twisted string.

Next, a sixth embodiment will be described with reference to FIGS.

FIG. 15 is an exploded perspective view showing a sixth embodiment of the luminaire of the present invention in a partially enlarged state, and FIG. 16 is a perspective view of a part of the luminaire.

That is, one of the conductive member 4 of the chassis 4 of the appliance main body 2 and the reflector plate body 12 of the reflective plate 90 as a member to be attached having conductivity is attached to the appliance main body 2. Can be electrically and mechanically connected to each other, and a chain-like connection fitting 92 as a connection receiving portion having conductivity can be electrically and mechanically connected to one of the other.

In this configuration, the connecting plate 91 is electrically connected to the chain pieces 92a and 92b by attaching the reflecting plate 90 to the instrument body 2 and inserting the connecting protrusion 91 into the chain-like connecting metal fitting 92. In addition, the electrical connection between the instrument main body 2 and the reflection plate 90 can be easily and surely ensured, and it can also serve as a means for preventing the reflection plate 90 from falling.

The connecting projection 91 can be formed in a flexible linear shape or a hard rod shape. Further, by using copper or a copper alloy, electrical resistance can be suppressed. Further, the chain-like connection fitting 92 can be securely fixed by fastening parts such as screws and rivets, welding, and the like.

In each of the above embodiments, the member to be mounted is not limited to the reflection plate, and a baffle, a louver, a frame, or the like, which is a light control body, may be grounded. Also, a plurality of mounted members mechanically connected to the instrument body can be grounded.

Next, a seventh embodiment will be described with reference to FIGS.

FIG. 17 is a partial sectional view showing a seventh embodiment of the lighting fixture of the present invention, and FIG. 18 is a partial sectional view of the same lighting fixture.

That is, in this embodiment, the luminaire 1 includes the luminaire main body 2 embedded or directly mounted on the ceiling C, and the lower surface of the luminaire main body 2 has the irradiation opening 10.
1 is provided with a substantially box-shaped chassis 4. The chassis 4 is formed using a so-called color steel plate in which a coating such as ivory, that is, an insulating film is formed on both surfaces of a metal plate A as a conductive plate having conductivity. It is grounded, that is, grounded by a wire or the like. Further, inside the chassis 4, a ballast of an electronic type (not shown), a terminal block, a plurality of fluorescent lamps and the like are stored.

The chassis 4 has an upper plate (not shown) and a peripheral plate 102 extending downward from the outer periphery of the upper plate in a frame shape. Further, a body frame portion (collar portion) 104 is integrally formed at a lower end portion of the peripheral plate portion 102. The main body frame portion 104 includes a horizontal frame portion 104a obtained by bending a lower end portion of the peripheral plate portion 102 outward, and a horizontal frame portion 104a.
And a turn-back portion 104b which is turned back at an outer end portion thereof inclining inward and downward. Further, a part of the lower end portion of the folded portion 104b is cut away, and an end face exposed portion where the metal plate A is exposed.
106 are formed.

At a plurality of locations on the inner surface of the peripheral plate portion 102,
A metal fitting 108 as a V-spring metal fitting is mounted near the end face exposed portion 106. Also, this fitting 10
8 includes a mounting portion 108a fixed to the peripheral plate portion 102 by a rivet 109 and the like, and a substantially C-shaped spring receiving portion 108b.

Reference numeral 111 denotes a light control member as a member to be mounted. The light control member (cover) 111 is formed by coating a white or the like, that is, an insulating film on both surfaces of a metal plate A as a conductive plate having conductivity. And a decorative frame 112 as an attachment portion formed using a so-called color steel plate. The decorative frame 112 has a substantially U-shaped cross section with an open top surface covering the main body frame portion 104 of the chassis 4 and has a square frame shape as a whole, and the inner peripheral portion has a light control body main body. Some shade boards
There is formed a step 115 on which the step 114 is placed.

The mounting bracket 122 is fixed to the decorative frame 112 by a fixing tool 121 such as a screw or a rivet, and a V spring 124 as a mounting spring is locked and mounted on the mounting metal 122. That is, this V spring 12
Numeral 4 includes an annular base 124a that bends an elastically deformable wire and is locked by a mounting bracket 122, and an arm 124b that extends from the base 124a in an expanded manner.

Further, a contact spring 127 is attached to the inside of the decorative frame 112 by a fixing tool 126 such as a screw or a rivet. The contact spring 127 is formed by bending an elastically deformable and conductive metal plate,
A base portion 127a fixed to and electrically connected to a vertical wall on the inner peripheral side of the decorative frame 112 with a fixing member 126; an extending portion 127b disposed along the bottom surface of the decorative frame 112; Part 127b
And a contact portion 127c which is bent upward in a substantially U-shape from the tip of the contact portion 127c.

The light control body 111 is attached to the chassis 4 by engaging the arm 124b of the V-spring 124 with the spring receiving portion 108b of the metal fitting 108 fixed to the chassis 4, so that the decorative frame 112 is attached. Covers the body frame 104 of the chassis 4 and the shade plate 114 covers the lower side of the fluorescent lamp. Then, in this state, the light control body 111 is sucked up toward the chassis 4, that is, upward by the urging force of the V spring 124. Further, in this state, the contact portion 127c of the contact spring 127 of the light control body 111 is pressed against the end face exposed portion 106 of the chassis 4, and this contact portion makes contact with the decorative frame 112.
Are electrically connected to the chassis 4.

As described above, according to the present embodiment, the chassis 4 of the instrument body 2 and the decorative frame 112 of the light control body 111 are provided.
Since the surface of the metal plate A having conductivity is formed of a color steel plate which has been painted in advance, the manufacturing process can be simplified, the appearance and corrosion resistance can be easily improved, and the V spring 124
By attaching the light control body 111 to the fixture main body 2 to assemble the lighting fixture 1, the contact portion 127c of the contact spring 127 comes into contact with the end face exposed portion 106, and through the cut surface material and plating layer, The electrical connection between the chassis 4 and the decorative frame 112 which is a non-chargeable metal part of the light control body 111 can be reliably ensured, and the light control body 111 can be reliably grounded to the ground terminal via the appliance body 2.

The contact spring 127 is elastically deformable, and the contact portion 127c of the contact spring 127 is pressed against the end face exposed portion 106 by the urging force of the V spring 124, so that the electrical connection can be ensured.

Further, since the end face exposed portion 106 uses the cut end face which is cut and cut, it can be easily formed as compared with a configuration in which the insulating film on the surface is cut into a planar shape, and the appearance and the corrosion resistance are improved. Can be easily improved.

Further, it is possible to use a V-spring type fixing structure which can be constructed relatively inexpensively, and to construct it inexpensively.

FIG. 19 is a partial sectional view showing an eighth embodiment of a lighting fixture of the present invention, and FIG. 20 is a partial sectional view of the lighting fixture of the eighth embodiment.

In the above-described seventh embodiment, the end face exposed portion 106 is formed by cutting out a part of the end of the main body frame portion (collar portion) 104 of the chassis 4. As shown in FIG. 20, a portion continuous to the lower end portion of the peripheral plate portion 102 is cut and raised, and an end face exposed portion 106 where the metal plate A is exposed.
Can also be formed. In this configuration, the size of the contact spring 127 can be reduced, and the manufacturing cost can be reduced.

FIG. 21 is a perspective view showing a modification of the contact spring used in the seventh and eighth embodiments of the lighting fixture of the present invention, and FIG. 22 is a sectional view of the contact spring.

As shown in FIGS. 21 and 22,
Projections 127d are integrally formed on the base 127a of the contact spring 127 and the like, and are fixed to the decorative frame 112 with fixing tools 126 inserted into the mounting holes 127e, so that the protrusions 127d bite into the metal plate A of the decorative frame 112. As a result, it is possible to easily and surely secure the electrical connection. In addition, by projecting the projection 127d in a range of 0.2 mm or more and 0.3 mm or less from the base 127a, attachment can be facilitated and sufficient electrical connection can be ensured.

FIG. 23 is a perspective view showing a modification of the contact spring and the attached member used in the seventh and eighth embodiments of the luminaire of the present invention.

Further, as shown in FIG.
And a support for hooking and supporting the base 124a of the V spring 124.
By forming 124f integrally, the number of parts is reduced,
Manufacturing costs can be reduced.

Furthermore, the contact spring 127 is fixed to the decorative frame 112 by engagement or the like without using a fixing tool such as a screw, so that the number of parts can be reduced and the manufacturing cost can be reduced. For example, as shown in FIG.
In addition, a pair of insertion guides 127g also serving as stoppers are integrally formed by cutting and raising, and the decorative frame 112 is provided with a contact spring mounting slit 131 to which these insertion guides 127g are fitted and fixed. Can be formed.

In the embodiments shown in FIGS. 17 to 23, the contact springs and the end face exposed portions can be provided at a plurality of locations, respectively, to ensure the electrical connection.

In the embodiment shown in FIGS. 17 to 23, a contact spring may be attached to the instrument body, and an end face exposed portion which is electrically connected to the contact spring may be formed on the decorative frame. it can.

[0090]

According to the lighting apparatus of the first aspect, the mounting member of the mounted member can be mounted on the supporting portion of the main body, and the mounted member can be mounted on the main body. Since the support portion of the instrument body and the mounting portion of the member to be mounted cover the surface of the conductive plate having conductivity with an insulating film having insulating properties, the appearance and corrosion resistance can be easily improved. The electrical connection between the member to be attached and the instrument body can be reliably ensured by the contact between the exposed end face of the supporting part and the exposed end face of the mounting part. Since the exposed end face of the supporting part side and the exposed end face of the mounting part use the cut end faces, they can be formed easily and the appearance and corrosion resistance can be easily formed as compared with a configuration in which the surface insulating film is cut into a planar shape. Can be easily improved.

According to the luminaire of the second aspect, in addition to the effects of the first aspect, the exposed end face of the support part side and the exposed end face of the mounting part can be easily formed by cutting and raising and notch. By the engagement between the raised portion and the cutout portion, the mounting portion of the mounted member can be firmly attached to the support portion of the instrument main body.

According to the lighting apparatus of the third aspect, the mounting member of the mounted member can be mounted on the connection fitting mounted on the main body of the apparatus, and the mounted member can be mounted on the main body of the apparatus. Since the mounting portion of the member to be mounted covers the surface of the conductive plate having conductivity with an insulating film having insulating properties, the appearance and corrosion resistance can be easily improved. The electrical connection between the member to be mounted and the appliance body can be reliably ensured by connecting the exposed end face of the mounting portion side to the connection fitting through the connection fitting. Since the exposed end surface of the mounting portion side uses the cut end surface, it can be easily formed, and the appearance and the corrosion resistance can be easily improved as compared with a configuration in which the insulating film on the surface is cut into a planar shape.

[0093] According to the lighting apparatus of the fourth aspect, the mounting portion of the member to be mounted is attached to the fixture body by the fixture, and the member to be attached can be attached to the fixture body. Since the mounting portion of the member to be mounted covers the surface of the conductive plate having conductivity with an insulating film having insulating properties, the appearance and corrosion resistance can be easily improved. The fixture includes a fixture-side fixed portion that is electrically and mechanically connected to the appliance body, and a fixture-side conductive portion that is electrically connected to the fixture-side fixed portion and that contacts the mount-side end face exposed portion. With this arrangement, electrical connection between the member to be attached and the instrument body can be reliably ensured via the attachment. Since the exposed end surface of the mounting portion side uses the cut end surface, it can be easily formed, and the appearance and the corrosion resistance can be easily improved as compared with a configuration in which the insulating film on the surface is cut into a planar shape.

According to the luminaire of the fifth aspect, since the surface of the conductive plate having conductivity is covered with the insulating film having the insulating property with respect to the member to be attached to the fixture body,
Appearance and corrosion resistance can be easily improved. Since the fall prevention member that supports the mounted member has conductivity, electrical connection between the mounted member and the instrument body can be easily and reliably secured via the fall prevention member. Further, since the fall prevention member is used, the manufacturing cost can be suppressed without increasing the number of assembly steps and the number of parts.

According to the luminaire of the sixth aspect, with respect to the conductive body and the conductive mounted member to be mounted on the conductive body, any one of the apparatus main body and the mounted member is used. The connection projections are protruded toward the main body, and the connection projections are inserted and electrically connected and mechanically connected in a chain-like manner. When the member is attached and the connection projection is inserted into the connection receiving portion, the member is electrically connected and mechanically connected in a chain, so that the electrical connection between the member to be attached and the instrument body can be easily and reliably secured.

According to the lighting device of the seventh aspect, in addition to the effects of any one of the first to sixth aspects, the reflecting plate having conductivity can be reliably and electrically connected to the main body of the lighting device. The reflector can be reliably grounded.

According to the luminaire of the eighth aspect, the member to be mounted can be mounted on the main body of the luminaire by using the mounting spring.
Since the support portion of the instrument body and the mounting portion of the member to be mounted cover the surface of the conductive plate having conductivity with an insulating film having insulating properties, the appearance and corrosion resistance can be easily improved.
The contact spring comes into pressure contact with the end face exposed portion by the urging force of the mounting spring, so that the electrical connection between the mounted member and the instrument body can be reliably ensured. Because the end face exposed part uses the cut end face,
Compared to a configuration in which an insulating film on the surface is cut into a planar shape, it can be formed easily, and the appearance and corrosion resistance can be easily improved.

[Brief description of the drawings]

FIG. 1 is a partially enlarged sectional view showing a first embodiment of a lighting fixture of the present invention.

FIG. 2 is a perspective view of the lighting device.

FIG. 3 is a cross-sectional view of the lighting device.

FIG. 4 is a perspective view of a part of the lighting fixture in an exploded state.

FIG. 5 is an exploded perspective view in which a part of the lighting fixture is enlarged.

FIG. 6 is a partially enlarged perspective view showing a lighting fixture according to a second embodiment of the present invention in an enlarged state.

FIG. 7 is a cross-sectional view of the lighting device in an exploded state.

FIG. 8 is a sectional view of a comparative example of the lighting fixture.

FIG. 9 is an exploded perspective view showing a third embodiment of the lighting fixture of the present invention.

FIG. 10 is a perspective view of the lighting device.

FIG. 11 is a cross-sectional view of the lighting device.

FIG. 12 is an exploded cross-sectional view showing a fourth embodiment of the lighting fixture of the present invention.

FIG. 13 is an enlarged cross-sectional view of a part of the lighting fixture.

FIG. 14 is an exploded cross-sectional view showing a fifth embodiment of the lighting fixture of the present invention.

FIG. 15 is an exploded perspective view showing a sixth embodiment of the lighting fixture according to the present invention, in which a part thereof is enlarged.

FIG. 16 is a perspective view of a part of the lighting fixture.

FIG. 17 is a partial cross-sectional view showing a lighting fixture according to a seventh embodiment of the present invention.

FIG. 18 is a perspective view of the lighting fixture in an exploded state.

FIG. 19 is a partial cross-sectional view showing an eighth embodiment of the lighting fixture of the present invention.

FIG. 20 is a cross-sectional view of a part of the lighting device.

FIG. 21 is a perspective view showing a modified example of the contact spring used in the seventh and eighth embodiments of the lighting fixture of the present invention.

FIG. 22 is a sectional view of the contact spring.

FIG. 23 is a perspective view showing a modification of the contact spring and the attached member used in the seventh and eighth embodiments of the lighting fixture of the present invention.

[Explanation of symbols]

 1,21 Lighting fixture 2,22 Fixture main body 4,24 Chassis as support part 6,26 End face exposed part on support part 11,31,51,66,90 Reflector 12,32,52,67 as a member to be attached Reflector body as mounting part 15, 35, 56, 69 Exposed part on end face of mounting part 44 Connection fitting 71 Mounting part 72 Screw part as fixing part on mounting part 73 Knob part as supporting part on mounting part 74 Mounting part side Conducting part 81 Fall prevention body 91 Connection projection 92 Chain connection fitting as connection receiving part 124 V spring as mounting spring A Metal plate as conductive plate

Claims (8)

[Claims] An appliance body having a support portion in which a surface of a conductive plate having conductivity is covered with an insulating film having an insulating property; and a surface of the conductive plate which is attached to the support portion and has conductivity. A mounting member provided with a mounting portion covered with an insulating film having; a supporting portion side end surface exposed portion in which the supporting portion is cut to expose an end surface of the conductive plate; and an end surface of the conductive plate exposed by cutting the mounting portion. And a mounting portion side end surface exposed portion that comes into contact with the supporting portion side end surface exposed portion in a state where the mounting portion is mounted on the supporting portion. 2. The lighting device according to claim 1, wherein one of the exposed end face on the supporting part side and the exposed end face on the mounting part is cut and raised, and the other is cut out. Appliances. 3. An appliance main body having conductivity; a connection fitting having conductivity electrically and mechanically connected to the appliance main body; and a surface of a conductive plate attached to the connection fitting and having conductivity is insulated. A member to be mounted having a mounting portion covered with an insulating film having: a mounting portion side end surface which cuts the mounting portion to expose an end surface of the conductive plate and contacts the connection fitting in a state where the mounting portion is mounted on the connection fitting. A lighting device, comprising: an exposed portion; A conductive member; a mounting member having a mounting portion in which the surface of the conductive plate is covered with an insulating film having an insulating property; and A mounting part side end face exposed part whose end face is exposed; a mounting part fixed part electrically and mechanically connected to the instrument body; a mounting part side end surface exposed part electrically connected to the mounting part fixed part. A lighting fixture, comprising: a mounting part-side conducting part that comes into contact with the mounting part; and a mounting part that includes a mounting part-side supporting part that mechanically supports the mounted member. 5. An appliance body having conductivity; a member to be attached which is attached to the appliance body and the surface of a conductive plate having conductivity is covered with an insulating film having an insulating property; And an electrically conductive fall prevention member that is connected electrically and electrically. 6. An appliance body having conductivity; an electrically conductive attached member attached to the appliance body; and an electrically conductive member projecting from one of the appliance body and the attached member toward the other. A connection protrusion having a property; and a connection receiving portion provided on one of the instrument main body and the attached member, wherein the connection protrusion is inserted to be electrically connected and mechanically chain-connected. A lighting fixture characterized by comprising: 7. The luminaire according to claim 1, wherein the member to be mounted is a reflector. 8. An appliance body provided with a support portion in which a surface of a conductive plate having conductivity is covered with an insulating film having an insulating property; and a surface of the conductive plate attached to the instrument body and having conductivity is provided with an insulating property. A mounting member provided with a mounting portion covered with an insulating film having: a mounting spring for mounting the mounting member to the instrument body;
An end face exposing portion obtained by cutting one of the supporting portion and the mounting portion to expose an end face; electrically and mechanically connected to the other of the supporting portion and the mounting portion, and being pressed against the end surface exposing portion by the urging force of the mounting spring. And a contact spring.