JPH07147109A - Luminaire - Google Patents

Abstract

PURPOSE:To easily assemble a latch mechanism and prevent erroneous operation. CONSTITUTION:An insertion open part 41 is formed in the center part of a chassis 22 of a luminaire main body 21 and being faced to the insertion open part 41, a latch mechanism 44 is installed. The latch mechanism 44 is composed of a base part 45, a latch part 46, and a spring body 47. An adaptor 11 is attached to a hook-ceiling 1 installed in the ceiling face 2 and a lower frange part 18 of the adaptor 11 is engaged and held with the latch part 46 of the latch mechanism 44. A release lever 64 is unitedly projected out of the latch part 46. A disk-like cover body 71 to cover the insertion open part 41 is attached to the chassis 22. An operation part fitting hole 72 with which the release lever 64 is fitted is formed in the cover body 71.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting fixture directly installed by using a hook ceiling provided on a ceiling surface.

[0002]

2. Description of the Related Art Conventionally, there is known a lighting fixture installed by using a hook ceiling provided on a ceiling surface. Then, in order to make the installation work of the lighting fixture easier, a configuration is known in which a mounting member is mounted on the hook ceiling, and the mounting member is engaged and held by a latch mechanism provided in the main body of the device. In addition, this latch mechanism accommodates a retractable latch body and a spring body for urging the latch body inside the case body, and with the lid body closed, the lid body is screwed or the like. It is fixedly configured. Further, the latch mechanism is provided with an operation portion for moving the latch body against the biasing force, and by pushing the operation portion, the instrument body is detached from the attachment member. In addition, a shade that covers the lower side of the instrument body is attached to the instrument body as needed.

[0003]

However, in the above-mentioned conventional structure, when the latch mechanism is assembled, the latch body and the spring body are housed inside the case body so that these parts are prevented from popping out. However, it is necessary to attach a lid and screw it, which causes a problem of poor work efficiency. Further, since a plurality of members are incorporated inside the case body, there is a problem that the work of confirming whether or not the parts have been forgotten is complicated. further,
When the mounting member is engaged and held by such a latch mechanism, it is necessary to confirm whether or not the latch mechanism is securely engaged with the mounting member, and the operation section provided on the latch mechanism is abruptly changed. It is necessary to be careful not to push it, and there is a problem that the installation work of the lighting fixture is complicated. In addition, when the shade is removed from the instrument body, the latch mechanism and the attachment mechanism of the shade are exposed, and there is a problem that the appearance is deteriorated.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object thereof is to provide a lighting fixture which can be easily assembled and installed to improve its appearance.

[0005]

A lighting fixture according to claim 1 comprises a mounting member connected to a hook ceiling and a fixture main body provided with an engaging means for engaging and holding the mounting member. The engaging means is a base portion fixed to the instrument body, and a latch portion that is inserted into the base portion in a predetermined direction and is engaged and supported so as to be capable of advancing and retreating, and that retains the attachment member in an engageable and disengageable manner. And biasing means for elastically pressing the latch portion in the predetermined direction.

According to a second aspect of the present invention, in the lighting fixture according to the first aspect, the engaging means is arranged on the back side of the instrument body, and the latch portion of the engaging means is
The instrument main body has an operating portion integrally projecting toward the front surface side, and the instrument main body is provided with an insertion portion for projecting the operating portion of the latch portion to the front surface side.

According to a third aspect of the present invention, there is provided a lighting fixture having a mounting member connected to the hook ceiling, an insertion opening, and a fixture main body engaged with the mounting member in the vicinity of the insertion opening, and the fixture main body. And a cover body that covers the insertion opening of the above from the front surface side.

According to a fourth aspect of the present invention, there is provided an illumination fixture according to the third aspect, wherein the illumination fixture is provided on at least one of the fixture main body and the attachment member, and engaging means for engaging the fixture main body and the attachment member with each other. An operating portion provided on the engaging means for releasing the engagement between the instrument body and the mounting member, and a regulating portion provided on the cover body for regulating the movement of the operating portion are provided.

According to a fifth aspect of the present invention, in the luminaire according to the fourth aspect, the cover body is engaged and held by the operating portion of the engaging means.

According to a sixth aspect of the present invention, there is provided a lighting fixture, which has a mounting member connected to a hook ceiling mounted on the mounting surface, a main body chassis and a reflector, and is mounted on the mounting surface by engaging with the mounting member. An instrument body, an engaging means for engaging the mounting member and an engagement releasing means for releasing the engagement, the instrument body being in contact with the body chassis and the reflection plate respectively. And the engaging unit described above.

According to a seventh aspect of the present invention, there is provided a lighting fixture, which has a mounting member connected to a hooking ceiling mounted on a mounting surface and an engaging unit, and engages with the mounting member via the engaging unit. An engagement unit body mounted on a mounting surface, wherein the engagement unit is provided in a tubular shape on the instrument body, into which the attachment member can be inserted, and the engagement unit body. And an engaging means for engaging with the mounting member, provided on the outside of the engaging unit body, and operated via an operation insertion portion formed on the inner peripheral surface of the engaging unit body, And an engagement releasing means for releasing the engagement of the engaging means.

According to the eighth aspect of the present invention, there is provided a lighting device, wherein a mounting member electrically and mechanically connected to a hook ceiling mounted on the mounting surface, and a fixture body mounted on the mounting surface by engaging the mounting member. And an engagement unit body provided in a tubular shape on the instrument body, an engagement means supported by the engagement unit body and engaged with the mounting member, and an engagement for releasing the engagement of the engagement means. A releasing unit and an engaging unit having an electric connecting unit electrically connected to the mounting member, wherein the electric connecting unit is detachably engaged with and held by the engaging unit main body. The engaging unit main body is provided so as to be pulled out on the inner peripheral side.

According to a ninth aspect of the present invention, in the lighting fixture according to the eighth aspect, the engagement releasing means is provided outside the engagement unit main body and is formed on the inner peripheral surface of the engagement unit main body. It is operated through the operation insertion portion.

A lighting fixture according to a tenth aspect of the present invention is the lighting fixture according to any one of the first to ninth aspects, which has a shade detachably attached to the main body of the fixture.

[0015]

In the luminaire according to the first aspect of the present invention, the luminaire is installed by connecting the attachment member to the hook ceiling and engaging and holding the luminaire main body with the attachment member. The latch portion of the engaging means that engages and holds the mounting member is inserted into a base portion fixed to the instrument body in a predetermined direction to be engaged and supported so as to be movable back and forth, and is attached in the predetermined direction. Since it is elastically pressed by the biasing means, the latch portion is temporarily held by the biasing means, and the work of assembling the engaging means to the instrument body becomes easy.

According to the lighting apparatus of the second aspect, in addition to the operation of the first aspect, the operating section for operating the latch section of the engaging means is integrally provided so as to project from the latch section to the front surface side of the apparatus main body. The number of parts is reduced, and the engagement between the instrument body and the mounting member is easily released by the operation from the front side of the instrument body.

According to the third aspect of the present invention, the lighting fixture is installed by connecting the attachment member to the hook ceiling and engaging the fixture body with the attachment member. Since the mounting member is engaged in the vicinity of the insertion opening provided in the instrument body, the engaging work is facilitated. Since the insertion opening is covered with the cover body from the front surface side of the fixture body, the appearance of the lighting fixture is improved.

According to a fourth aspect of the present invention, in addition to the effect of the third aspect, at least one of the fixture body and the attachment member is provided with an engagement means for engaging the fixture body and the attachment member with each other. Since the operating means for releasing the engagement between the mounting member and the mounting member is provided in the engaging means, the engagement between the instrument body and the mounting member and the release of this engagement are facilitated, and the operating portion moves to the cover body. Since the restricting portion for restricting the operation is provided, it is possible to prevent an erroneous operation of the operating portion with the cover body attached to the instrument body.

According to the lighting equipment of the fifth aspect, in addition to the action of the fourth aspect, the cover body is engaged and held by the operating portion of the engaging means, and therefore, a separate member or structure for engaging and holding the cover body. Becomes unnecessary.

According to the sixth aspect of the present invention, an attachment member is connected to the hooking ceiling attached to the attachment surface, and the engagement member of the engagement unit of the instrument main body is engaged with this attachment member, so that the instrument main body is It is attached to the mounting surface. Further, by operating the engagement releasing means, the engagement between the attachment member and the engagement means is released, and the instrument body is removed from the attachment surface.
Since the engaging unit that engages with the mounting member is provided in contact with the body chassis and the reflector of the instrument body, respectively, the body chassis and the reflector of the instrument body are reinforced without using any special member. To be done. Further, since the engaging unit is provided with the engaging means and the disengaging means, the parts are unitized and the manufacturing becomes easy.

In the luminaire according to the seventh aspect, the attachment member is connected to the hooking ceiling attached to the attachment surface, and the attachment means of the engagement unit of the instrument main body is engaged with the attachment member, so that the instrument main body is It is attached to the mounting surface. Further, by operating the engagement releasing means, the engagement between the attachment member and the engagement means is released, and the instrument body is removed from the attachment surface.
Further, since the engaging unit main body is provided with the engaging means and the disengaging means, the parts are unitized and the manufacturing becomes easy. Further, the engagement releasing means is provided outside the tubular engagement unit main body, and the engagement releasing means is operated via the operation insertion portion formed on the inner peripheral surface of the engagement unit main body. Therefore, the engagement releasing means is not exposed to the outside, and the appearance is improved.

According to another aspect of the lighting apparatus of the present invention, the mounting member is electrically and mechanically connected to the hook ceiling mounted on the mounting surface, and the engaging member of the engaging unit of the apparatus main body is engaged with the mounting member. At the same time, the fitting main body is attached to the attachment surface by connecting the electric connection means drawn from the engagement unit main body to the inner peripheral side to the attachment member. In a state where the electric connecting means is engaged with the engaging unit main body, the electric connecting means is held without moving, and transportation of the lighting fixture or the like becomes easy.

According to the lighting equipment of the ninth aspect, in addition to the operation of the eighth aspect, the engagement releasing means is provided outside the engagement unit main body and is formed on the inner peripheral surface of the engagement unit main body. Since it is operated via the insertion portion, the engagement releasing means is not exposed to the outside, and the appearance is improved.

According to a tenth aspect of the present invention, there is provided the luminaire according to the first aspect.
In addition to the operation described in any one of 1 to 9 above, since it has a shade that is detachably attached to the instrument body, it can be used in both a state where the shade is attached to the instrument body and a state where the shade is removed from the instrument body. A luminaire that can do this is provided.

[0025]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of an embodiment of the lighting equipment of the present invention will be described below with reference to the drawings.

1 to 3, reference numeral 1 denotes a hook ceiling, and this hook ceiling 1 is installed in a state in which a part is embedded in a ceiling surface 2 as a mounting surface. A pair of arc-shaped connection holes 3 are formed in the hooking ceiling 1, and inside the connection holes 3, a connection fitting (not shown) connected to a power line wired in the ceiling is arranged. Has been done. Further, hook metal fittings 4 each having a substantially L-shaped cross section are attached to both sides of the hook ceiling 1.

An adapter 11 as a mounting member is removably attached to the hook metal fitting 4. As shown in FIGS. 1 to 4, this adapter 11 has a substantially cylindrical shape made of metal, and has an upper flange portion 12 projecting inward from an upper end portion thereof, on which both hooks 4 engage with each other. A pair of engagement grooves 13 are formed. Furthermore, this upper flange part
A through hole 14 that communicates with a screw hole 4a formed in the hook metal 4 is provided in 12 and the adapter 11 is hooked by screwing a decorative screw 15 into the screw hole 4a through these through holes 14. It is designed to be fixed to the ceiling 1. Further, the upper flange portion 12 is provided with a pair of substantially L-shaped switch box mounting brackets 16 on both sides. As shown in FIG.
Can be screwed to the switch box S embedded in the ceiling surface 2. On the other hand, from the lower end portion of the adapter 11, a lower flange portion 18 is provided so as to project outward.

Further, in FIGS. 1 to 5, reference numeral 21 denotes an instrument body, and the instrument body 21 has a chassis 22 made of a metal plate or the like and having a substantially rectangular shape in a plane. Then, on both sides of the chassis 22, the parts storage section 23 is projected downward.
Are integrally formed, and a lighting device 24 such as a ballast and a terminal block is housed inside the parts housing part 23, and the bottom surface of the instrument main body 21 is provided at a substantially central part of each parts housing part 23. A shade attachment device 27 that detachably engages and holds a shade 26 that covers the side is attached. Further, lamp socket devices 31 are attached to both ends of the chassis 22 so as to face each other. Each of the lamp socket devices 31 is provided with a plurality of lamp sockets 32, and a straight tube type fluorescent lamp L is mounted between the lamp sockets 32.

A connector C is connected to the lighting device 24 via an electric wire. By mounting the connector C in the connection hole 3 of the hook ceiling 1, the power line and the lighting device 24 are electrically connected. It is designed to be connected to.

Further, the upper sides of the respective component storage portions 23 and the respective lamp socket devices 31 are covered with the lid plates 33 and 34, respectively, and the upper sides of the lid plates 34 at both ends are elastically attached to the ceiling surface. Body 35 is attached. Further, the outer peripheral portions of the component storage portion 23 and the lamp socket device 31 are formed in a tapered shape that widens upward.
The suede 26 can be easily fitted.

A circular hole-shaped insertion opening 41 is formed in the center of the chassis 22. This insertion opening
41 has a diameter dimension through which the adapter 11 can be inserted, and ribs 42 are provided upright along the peripheral edge of the insertion opening 41 except the portions facing each other in the longitudinal direction of the chassis 22. ing. Further, a pair of latch mechanisms 44 facing each other as engaging means are provided so as to face the portion of the insertion opening 41 where the rib 42 is not provided upright. Then, as shown in FIG. 1 to FIG.
The base portion 45 fixed to the base body 45 and the insertion opening 41
The latch part 46 that is mounted so as to be able to move forward and backward toward the center direction (hereinafter referred to as the front), and the biasing part that is mounted between the base part 45 and the latch part 46 and biases the latch part 46 forward. And a spring body 47 as a means.

The base portion 45 has a substantially box shape with the lower surface side and the front surface side opened, and the upper plate portion 51 located on the upper side,
A pair of engagement grooves 52 on both sides of which the longitudinal direction is the front-rear direction is formed, and insertion grooves 53 each having a large width dimension are formed at the rear end portions of these engagement grooves 52. The rear plate portion 54 located on the rear side is formed with a spring body engaging portion 54a cut and raised from the substantially central portion toward the front side. The spring body locking portion 54a has a taper-shaped diameter decreasing toward the front side.
It is easy to engage the ends of 47. Furthermore, the rear plate 54
The central part of the lower end of the handle is a handle that extends downward and projects downward through a through hole 22a formed in the chassis 22.
55 is integrally formed. Further, fixed piece portions 57 fixed to the chassis 22 by screwing or the like are formed on the lower portions on both sides of the base portion 45.

The latch portion 46 has an adapter 11 at the front end.
Is formed with an engaging protrusion 61 that engages with the engaging protrusion.
The upper surface of 61 is formed as an inclined surface that faces downward inward.
Further, a pair of guide projections 62 on both sides project upward from the rear end of the latch portion 46.
A sliding contact portion 63 is formed on each side by cutting out both side portions and having a small width dimension. Further, a release lever 64 as an operating portion projects downward from the latch portion 46. A locking recess 65 is formed on the rear surface side of the release lever 64.

As shown in FIG. 9, the latch portion 46 inserts each guide protrusion 62 into the insertion groove 53 of the base portion 45,
With the sliding contact portion 63 slidably engaged with the engagement groove 52, the spring body 47 is pushed between the latch portion 46 and the base body portion 45, and as shown in FIG. Part 62
The latch mechanism 44 is tentatively assembled so that the latch mechanism 44 is prevented from coming off from the insertion groove 53. Furthermore, with the latch mechanism 44 attached to the chassis 22,
From the insertion part 22b formed on the chassis 22 to the release lever 64
Is projected downward, and the urging force of the spring body 47 causes the engaging projection 61 to project above the insertion opening 41 in a normal state.

Therefore, when the tool body 21 is pushed up while the insertion opening 41 of the tool body 21 is aligned with the adapter 11, the engaging projections 61 of each latch mechanism 44 are attached to the lower flange 18 of the adapter 11. The instrument body 21 is mechanically held on the ceiling surface 2 by engaging with the upper surface. In addition, by engaging the fingers on the handle parts 55 on both sides and moving each release lever 64 to the outside, the engaging protrusion 61 is disengaged from the lower flange part 18 of the adapter 11, and the instrument body 21 can be removed from the adapter 11. It is like this.

A cover 71 made of synthetic resin is attached to the lower surface of the chassis 22 so as to cover the insertion opening 41. As shown in FIG. 11 and FIG. 12, the cover body 71 has a substantially dish shape that bulges downward, and the cover body 71 has a pair of operation portion fitting holes 72 as a regulating portion. The locking claw portions 73 are formed so as to face the outside of each operation portion fitting hole 72 while being formed. Further, each operation portion fitting hole 72 is formed in the latch portion 46 on both sides.
With the release levers 64 of these latch portions 46 in a state where they are located on the front end side, and the locking claw portions 73 are formed in the locking recesses 65 of the release levers 64, respectively. The cover body 71 is engaged and held by being engaged.

Further, on the upper surface side of the cover body 71, there are provided a plurality of connectors C to which a spare rectangular hooking sealing 1a is attached, a plurality of screws 74, etc. for engaging and holding during transportation. Ribs 75 and 76 are integrally formed.

As described above, according to the luminaire of this embodiment, the adapter 11 is engaged with and retained by the hook ceiling 1 and the latch mechanism 44 of the instrument body 21 is engaged with the adapter 11, thereby making the instrument body 21 Can be easily attached directly to the ceiling surface 2.

Since the latch mechanism 44 can be temporarily assembled by mounting the spring body 47 while the latch portion 46 is slidably locked to the base body portion 45, there is a possibility that parts will scatter during assembly. In addition, the work of pressing the lid body and screwing is unnecessary, and the assembling work of the lighting fixture can be facilitated.

Further, the latch mechanism 44 includes a base portion 45,
Since it is configured by engaging the latch part 46 and the spring body 47, parts such as screws and lids can be eliminated, and there are no parts that are hidden inside the case body, so forget to attach parts. Can be prevented.

Further, the release lever 64 and the handle portion 55, which are used when the instrument body 21 is removed, are respectively provided with a latch mechanism.
Since the protrusions are provided on the lower surface side of the chassis 22 from the latch portion 46 and the base portion 45 which are the structural members of 44, the number of parts can be reduced and the manufacturing cost of the lighting fixture can be reduced, and the fixture main body
The fixture main body 21 and the adapter 11 can be disengaged from each other by an operation from the lower surface side, and the fixture main body 21 of the lighting fixture can be easily removed.

Since the latch mechanism 44 is provided so as to face the insertion opening 41 of the fixture body 21, the position of the adapter 11 can be confirmed through this insertion opening 41 and the installation work of the lighting fixture can be facilitated. You can

Further, since the insertion opening 41 is covered by the cover body 71 from the surface side of the equipment main body 21, the appearance of the lighting equipment can be improved.

Further, since the operating portion fitting hole 72 into which the release lever 64 of the latch portion 46 is fitted is formed in the cover body 71 in the state where the latch portion 46 is located on the front end side, the release lever 64 is abruptly changed. The release lever 64 is prevented from moving, and the malfunction of the release lever 64 can be prevented. Further, when the latch portion 46 is not completely engaged with the adapter 11,
Since the cover body 71 cannot be mounted, the engagement between the latch portion 46 and the adapter 11 can be easily confirmed, and the instrument body 21 can be prevented from being attached in an incompletely engaged state. Further, since the cover body 71 is engaged and held by the release lever 64, a separate member or structure for engaging and holding the cover body 71 is not required, and the manufacturing cost of the lighting fixture can be reduced.

Further, ribs 75 and 76 are provided on the back surface side of the cover body 71.
Since the connector C and the screw 74 which are connected to the hooking ceiling 1 are fitted and held, it is not necessary to fix the connector C and the like with an adhesive tape or the like during transportation. When the hook ceiling 1 is not installed on the ceiling surface 2, a so-called F cable or the like is connected to the connector C engaged and held on the back surface side of the cover body 71, and the connector C is used as a terminal block. You can also

In the above embodiment, a pair of guide protrusions 62 on both sides are integrally formed on the upper side of the latch portion 46 to form a base portion.
Although it is slidably engaged with the engagement groove 52 of 45, for example, as shown in FIG.
As shown in FIG. 3, a cylindrical guide protrusion 62a is provided on the upper side of the latch portion 46, and a disc-shaped engaging portion 63a is formed at the tip of this guide protrusion 62a. , An elongated groove-like engaging groove 52a and a circular hole-like inserting groove 53a located at the rear end portion of the engaging groove 52a are formed, and the engaging groove 52a and the guide protrusion 62a slide on each other. It can also be freely engaged.

It is also possible to separately form the guide protrusion and attach the guide protrusion to the latch portion by bonding or the like.

Further, as shown in FIGS. 14 and 15, by fixing the base portion 45 onto the chassis 22 by screwing or the like without forming the guide protrusion 62 and the engaging groove 52. The latch portion 46 can be slidably supported between the base portion 45 and the chassis 22.

By not forming the guide protrusion 62 and the engaging groove 52 in this manner, the shapes of the base portion 45 and the latch portion 46 can be simplified and the manufacturing cost can be reduced.

Further, in each of the above-described embodiments, the handle portion 55 is integrally projected from the base portion 45, but as shown in FIG. 16, a separate handle portion 81 is formed and the handle portion 81 is screwed. It can be fixed to the chassis 22 and the base portion 45 at 82.

Further, as shown in FIG. 17, a locking portion 84 is cut and raised from a handle portion 55 protruding from the base portion 45, and a soft cover 85 is fitted to the handle portion 55 to form a latch mechanism. You can also improve the operation feeling of the 44.

Further, as shown in FIG. 18, a retractable handle portion 87 may be provided at the rear side of the release lever 64. The handle 87 is rotatably supported by fitting a rotary shaft 88 protruding in both directions from the vicinity of the upper end to a bearing 89 fixed to the chassis 22. Further, on the front side of the handle portion 87, an abutting portion 90 that abuts the chassis 22 in a state where the handle portion 87 is upright is formed, so that the handle portion 87 can rotate only in the rearward direction. ing. Then, by using such a retractable handle portion 87, the appearance of the lighting fixture can be improved and the shade 26
It is possible to prevent the shadow of the handle portion 87 from being reflected on the.

Further, in the above-described embodiment, the hooking metal fitting 4 is provided and the hooking ceiling 1 having a large diameter and a part of which is embedded in the ceiling surface 2 is used. However, as shown in FIG. It is also possible to use a rectangular hook ceiling 1a attached to the lower surface of the. When the square hook ceiling 1a is used, the hook ceiling 1a
By attaching the mounting bracket 92, which is located around the periphery of the ceiling and has the pair of hooking brackets 4 formed thereon, to the ceiling surface 2,
11 can be mounted on the ceiling surface 2.

The adapter 11 is provided with a hook ceiling 1,
It can be mounted on the ceiling surface 2 where 1a is not installed.

That is, as shown in FIG. 20 and the like, when the switch box S is embedded and installed in the ceiling surface 2, the standard pitch (83.5 mm) screw holes provided in the switch box S are provided. Use S ₁ . That is, the pair of switch box mounting brackets 16 on both sides of the adapter 11 are formed with the mounting holes 16a at the above-described standard pitch, and the screws 94 mounted in these mounting holes 16a are screw holes of the switch box S. The adapter 11 can be easily fixed by screwing it into S ₁ .

Further, as shown in FIG. 21, when the mounting bolt 95 is provided on the ceiling, the adapter 11 can be mounted on the ceiling surface 2 by using the mounting plate 96. The mounting plate 96 is formed with a bolt through hole 97 through which the mounting bolt 95 is inserted at the center, and screw through holes 98 are formed on both sides of the bolt through hole 97. There is. Then, for example, in a state where the adapter 11 and the mounting plate 96 are fixed by a screw attached to the screw through hole 98,
Insert the mounting bolt 95 into the bolt hole 97 of the mounting plate 96,
The adapter 11 can be mounted on the ceiling surface 2 by tightening the nut 99 that is screwed onto the mounting bolt 95.

Further, when the ceiling surface 2 is flat, a wood screw (not shown) mounted in the through hole 14 of the adapter 11 is screwed onto the ceiling surface 2 to move the adapter 11 to the ceiling surface 2.
Can be fixed to.

Next, the configuration of another embodiment of the present invention is shown in FIG.
2 to 28, description will be made.

This lighting fixture 111 has a fixture main body 112 and a shade 114 shown in FIG. 23 which is detachably attached to the fixture main body 112, and by using the hook ceiling 1 installed on the ceiling surface 2, It is designed to be detachably attached directly to the ceiling surface 2.

Further, the instrument main body 112 has a main body chassis 121 and a reflection plate 122 which are respectively formed by bending metal plates, and the main body chassis 121 and the reflection plate 12 are also provided.
It has a pair of socket units 123 opposed to each other, which are connected to both ends of the socket 2. And the main body chassis 121 is
As a whole, the central portion in the width direction is bent into a substantially U-shaped cross section that opens downward along the longitudinal direction. Further, a terminal block connected to a power supply line (not shown), a lighting device including an inverter circuit, and a lamp lighting component 124 including a night light are attached to the lower surface side of the main body chassis 121. Further, a chassis side insertion opening 126 having a circular hole shape is formed at the center of the main body chassis 121.

The reflector 122 has a main reflecting surface portion 131 having a horizontal plane shape. And this main reflection surface part
A reflector side insertion opening 132 is formed in the center of the 131.
A through-hole 133 for the night light through which the above-mentioned night light is inserted is formed on one side of the reflection plate side insertion opening 132, and
In the vicinity of both ends in the longitudinal direction, a plurality of rectangular socket through holes 134 are formed at predetermined intervals along the width direction. In addition, the widthwise side edges of the reflector 122 are
Each of them is bent upward in an expanding manner to form a pair of inclined surface portions 136 on both sides. Further, the upper edges of these inclined surface portions 136 are bent upward,
A side surface portion 137 having a vertical plane shape is formed. A pair of engaging edge portions 138 both sides of which are folded back inward are formed at the upper edges of the side surface portions 137.

Then, when the fixture body 112 of the lighting fixture 111 is directly installed on the ceiling surface 2, these engaging edge portions 138 are opposed to the ceiling face 2 with a predetermined gap, and this gap is the fixture. An engaging groove serving as a shade attachment means of the main body 112 is formed.

On the other hand, each socket unit 123 is made of synthetic resin or the like, and has a plurality of lamp sockets 141 for mounting the straight tube type fluorescent lamp L at predetermined intervals, for example, three, four, or five. It is installed.

Further, the socket unit 123 is formed with an inclined surface portion 143 inclined toward the upper side from both ends in the longitudinal direction of the instrument body 112 to both sides thereof, and the inside of the instrument body 112 in the longitudinal direction. At the periphery of each of the lamp sockets 141, a step portion 144 for a reflector is formed which is in contact with the upper surface of the reflector 122. In addition, on both sides of each socket unit 123,
Continuing with 144, a reflecting plate engaging groove portion 145 for fitting both ends of the locking edge portion 138 of the reflecting plate 122 is formed. Also,
As shown in FIG. 28, in the vicinity of the reflection plate engaging groove portion 145, each socket unit 123 and the reflection plate 122 are screwed 147.
It has been fixed in. Although not shown, the main body chassis 121 is also fixed to these socket units 123 with screws or the like.

The main body chassis 121 and the reflection plate
122 and the socket unit 123 are combined, the main body chassis 121 and the main reflection surface portion 131 of the reflection plate 122 face each other in a substantially parallel shape, and the reflection plate 122 covers the lower side portion of the main body chassis 121. At the same time, the chassis-side insertion opening 126 of the main body chassis 121 and the reflection-plate-side insertion opening 132 of the reflection plate 122 are located above and below each other coaxially with each other.

On the upper surface of the socket unit 123,
A contact portion 135 that contacts the ceiling surface 2 is provided.

The main body chassis 121 and the reflector 12
The engaging unit 150 is mounted between the two. The engagement unit 150 has a substantially cylindrical engagement unit main body 151, and an upper end portion 152 of the engagement unit main body 151, which is fitted to the chassis side insertion opening 126, at an upper end portion of the engagement unit main body 151. And a lower step 153 that fits into the reflection plate side insertion opening 132 is formed at the lower end to reinforce the strength of the main body chassis 121 and the reflection plate 122. It is designed to prevent bending.

The upper part of the engagement unit body 151 is curved so that the diameter gradually increases toward the outside. Further, the engagement unit main body 151 is formed with a pair of substantially T-shaped opening portions 151a as operation insertion portions which face each other on the inner peripheral side and communicate with the opening portions 151a. Then, a pair of engaging body storage portions 155 on both sides are formed integrally or separately on the outer peripheral side. Engaging bodies 156 are accommodated in the engaging body accommodating portions 155, and are supported so as to be movable back and forth in the radial direction of the engaging unit main body 151. Further, an engaging claw portion 157 as an engaging means whose upper surface is inclined downward inward is formed on the tip end side of the engaging body 156, and the lower side portion of the engaging body 156 is substantially An operating portion 158 as a rectangular plate-shaped engagement releasing means is provided integrally or separately.

The engagement bodies 156 are urged toward the inside of the engagement unit body 151 by springs 159 such as coil springs accommodated in the engagement body accommodating portions 155. In the normal state, the engaging claw portion 157 of the engaging body 156 passes through the upper side of the opening 151a and the engaging unit main body
The operation portion 158 is located on the outer peripheral side of the lower side portion of the opening 151a while protruding to the inner peripheral side of the 151.
Therefore, from the inner peripheral side of the engagement unit main body 151, the opening 151a
By pushing the operation portion 158 of the engaging body 156 by inserting a finger into the engaging body 156, the engaging body 156 can be retracted to the outer peripheral side.

Further, an upper screw fastening portion 155a and a lower screw fastening portion 155b each having a screw hole are projectingly provided from both the engagement body accommodating portions 155, respectively, and the main body chassis 12
It is adapted to be screwed to 1 and the reflection plate 122 by a screw (not shown).

In addition, in the vicinity of the upper end on the inner peripheral side of the engagement unit main body 151, a stepped portion 151b for the adapter having an enlarged diameter is formed, and at the upper end on the inner peripheral side, the adapter 11 is formed. A curved surface portion 151c with a broadened diameter is formed on the upper side for guiding the adapter 11 when the adapter 11 is inserted.

Then, with the adapter 11 mounted on the hook ceiling 1, the instrument main body 112 is pushed up from below and the adapter 11 is inserted into the inside of the engagement unit 150, so that the lower flange portion 18 of this adapter 11 engages the engagement body 156. Engaging claw
It comes into contact with 157 and temporarily pushes the engaging body 156 to the outer peripheral side. Then, with the lower flange portion 18 of the adapter 11 passing through the engaging claw portion 157, the engaging body 156 is returned to the inner peripheral side by the urging force of the spring 159, and the adapter 11 is located below the engaging claw portion 157. The lower flange portion 18 is abutted and locked. Further, in this state, the lower end of the adapter 11 is brought into contact with the adapter step 151b and positioned. In this way, the instrument body 112 can be easily attached to the hooking ceiling 1 provided on the ceiling surface 2 via the adapter 11 and the engaging unit 150.

From this state, the operating portion of the engaging body 156 is
By pushing 158 outwardly and retracting the engaging body 156, the engagement between the adapter 11 and the engaging unit 150 is released, and the instrument body 112 can be easily removed.

Further, as shown in FIG. 25, the instrument main body 112
By connecting the connector C provided at the tip of the connection cord C ₁ derived from the lamp lighting part 124 of FIG. 1 to the connection hole 3 of the hook ceiling 1, the lamp lighting part 124 of the instrument main body 112 is connected to a power line (not shown). It is designed to be electrically connected.

On the other hand, the shade 114 is made of a translucent material and is formed into a substantially box shape with its upper surface opened. And
As shown in FIG. 23, a shade-side fitting portion 161 having a substantially rectangular tube shape is provided around the opening on the upper side of the shade 114, and the shade-side fitting portion 161 is attached to the outer periphery of the instrument body 112. Part, that is, the outer peripheral portion of the socket unit 123.

Then, the fitting side of the shade 114 is fitted to the shade side.
Engaging claws 163 each having a substantially U-shaped cross-section and opening downward are attached to the inner side surfaces on both sides along the longitudinal direction of the 161 inwardly along the upper end portion. The projection size of the engagement claw 163 from the shade side fitting part 161 is set to be smaller than the separation size between the outer peripheral portion of the socket unit 123 of the instrument body 112 and the reflection plate 122. Also, this engaging claw 16
The longitudinal dimension of 3 is set to be equal to or less than the longitudinal dimension between the two socket units 123, 123.
It is attached to the shade side fitting portion 161 at a position corresponding to 123.

The shade 114 raises one side portion of the shade 114, and the engaging claw 163 on the one side together with the shade side fitting portion 161 is attached to the instrument main body 112 from above the locking edge portion 138 of the reflection plate 122. The inner side of the shade 114, and then the other side of the shade 114 is lifted and the opening of the shade 114 is expanded, while the engaging claw 163 of the other side is pushed from the upper side of the locking edge 138 of the other side to the instrument main body. By inserting this into the inside of 112 and then lowering this shade 114 downward, the shade side fitting portions 161 on both sides are placed on the locking edge portion 138 at the upper end of the reflection plate 122, and are retained by engagement. It is like this.

Furthermore, if necessary, an elastically deformable insect-proof packing M having an annular shape is attached along the lower side of the inner peripheral side of the shade side fitting portion 161, and is closely attached to the instrument body 112. It can also be abutted. Then, Sade 114
In the lighting device 111 that can be used even with the device removed, the insect repellent packing M can be used even in the simplified structure in which the shade 114 is hooked to the device main body 112 to be engaged and held as in the above embodiment. The inclined surface portion 136 of the reflector 122 of the 112 and the inclined surface portion 143 of the socket unit 123.
Since it makes close contact with the entire peripheral surface such as, it can prevent insects from entering the inside of the shade 114, prevent the shadow of the insect from being reflected on the shade 114, and improve the appearance. Cost reduction can also be realized. Also, this insect-proof packing M
Since it is removed together with the shade 114, the insect-proof packing M is not exposed and the appearance is not spoiled when the shade 114 is removed.

According to this embodiment, the adapter 11 is connected to the hook ceiling 1 attached to the ceiling surface 2,
By engaging the engaging claw portion 157 of the engaging body 156 of the engaging unit 150 of the instrument body 112 with the adapter 11, the instrument body 112 can be directly mounted on the ceiling surface 2. In addition, by pushing the operation portion 158 of the engagement unit 150, the engagement between the adapter 11 and the engagement claw portion 157 is released, and the instrument body 11 is released.
2 can be removed from the ceiling surface 2.

Further, an engaging unit for engaging the adapter 11
150 is the body chassis 121 of the instrument body 112 and the reflector
The main body chassis 121 and the reflection plate 122 of the instrument main body 112 are reinforced without using any special member so that the main body chassis 121 and the reflection plate 122 are connected to each other by being brought into contact with and fitted to the substantially central portions of the 122. Therefore, it is possible to prevent bending and the like. Further, by fitting the upper and lower step portions 152 and 153 of the engaging unit main body 151 into the chassis side insertion opening 126 of the main body chassis 121 and the reflection plate side insertion opening 132 of the reflection plate 122, respectively, The body chassis 121 and the reflector 122 can be easily aligned.

In addition, the instrument body 112 is attached to the ceiling surface 2 by forming the curved surface portion 151c of the trapezoid that guides the adapter 11 and the step portion 151b for the adapter on the inner peripheral side of the engagement unit body 151. Engagement unit when installing
It is possible to facilitate the alignment between the 150 and the adapter 11 and to confirm the alignment, and prevent wobbling after assembly. Therefore, even in a general household, the mounting work on the ceiling surface 2 can be facilitated.

Further, the engagement unit 150 is provided with an engagement body storage portion 155, and the engagement body storage portion 155 stores an engagement claw portion 157 as an engagement means and an operation portion 158 as an engagement release means. As a result, the number of parts can be reduced, and the assembly man-hours can be reduced by unitizing the parts.
Can be easily manufactured.

The operating portion 158 of the engaging unit 150 is
It is provided on the outside of the tubular engagement unit body 151.
The opening 15 formed on the inner peripheral surface of the engagement unit body 151.
Since the operating portion 158 is operated via the 1a, the operating portion 158 as the engagement releasing means is not exposed to the outside of the instrument body 112.
Therefore, for example, the appearance can be improved even when the shade 114 is not attached to the instrument body 112.

Further, since the shade 114 is detachably attached to the instrument main body 112, the state in which the shade 114 is attached to the instrument main body 112 and the shade 11 from the instrument main body 112 are attached.
Lighting equipment that can be used as a dual purpose with 4 removed
111 can be provided, and even when the shade 114 is removed, the operation unit 158 and the like are not exposed to the outside, and the appearance can be improved. In addition, an engaging claw 163 for engaging and holding the shade 114 is provided on the inner peripheral side of the shade side fitting portion 161, and the engaging claw 163 is provided on the locking edge portion 138 of the side surface portion 137 of the instrument body 112. Of the shade 114
Holding Therefore, when the shade 114 is removed, the side surface portion 137 becomes a flat surface, and the instrument body 112
Since the mounting means of the shade 114 provided on the equipment does not project and be exposed to the side of the fixture body 112, the lighting fixture 111 should be used with good appearance both with and without the shade 114 attached to the fixture body 112. You can

Further, in this embodiment, as shown in FIG. 28 and the like, the edge portion of the reflecting plate 122 is folded back inward to form the engaging edge portion 138, and the socket unit 123 is
A reflection plate engagement groove portion 145 is formed in which the locking edge portion 138 is fitted. Therefore, it is not necessary to use a separate member such as a so-called insect-proof trim for the reflection plate 122, and a sharp end portion can be obtained even if coating or so-called curling is not performed. Not exposed,
In addition to being easy to handle, the number of parts can be reduced, the strength of the reflection plate 122 can be improved even when a thin material is used, and the reflection plate 122 can be combined with the instrument body 112 without rattling.

As shown in FIG. 29, a claw portion 145a is formed in the reflection plate engaging groove portion 145 of the socket unit 123, and the claw portion 145a and the engaging edge portion 138 are engaged with each other.
The reflector 122 can be more firmly combined with the fixture body 112, and the socket unit 123 and reflector 12
It is also possible to omit the screw 147 or the like for fixing 2 and to improve the assemblability.

If necessary, the edge of the reflection plate 122 may be formed in a flat plate shape without being folded back inward.

Furthermore, in the embodiment shown in FIG.
Although the adapter 11 mechanically connected to the hook ceiling 1 is used, for example, as shown in FIGS. 30 to 32, the adapter 171 as an attachment member electrically and mechanically connected to the hook ceiling 1 is used. You can also

The adapter 171 includes a hook ceiling connecting portion 172 electrically and mechanically connected to the hook ceiling 1, and a disk-shaped main body connecting portion rotatably supporting the hook ceiling connecting portion 172. 173 and Then, with the hook ceiling connecting portion 172 connected to the hook ceiling 1b, push up the instrument body 112,
By inserting the main body connection portion 173 of the adapter 171 into the inside of the engagement unit main body 151 of the engagement unit 150, the main body connection portion 173 is engaged and held by the engagement claw portion 157 of the engagement body 156 of the engagement unit 150. It is supposed to be done.

Further, the adapter 171 rotates the main body connecting portion 173 with respect to the hook sealing connecting portion 172, so that the main body connecting portion 173 with respect to the hook sealing connecting portion 172 is rotated.
Even when the hook ceiling 1 having various protruding dimensions is used, the height position of the instrument body 112 with respect to the ceiling surface 2 can be made constant, and the mounting height of the instrument body 112 can be made constant. It is like this.

Further, in this embodiment, as shown in FIG. 31, a connector 176 as an electric connecting means is provided at the tip of a connecting cord 175 led out from the lamp lighting part 124 of the instrument body 112, and this connector 176 is provided. Is electrically connected to the hook sealing connection portion 172 of the adapter 171, so that power is supplied to the instrument body 112.

The connecting cord 175 is slidably inserted through a through hole 178 formed in the wall of the engaging unit body 151 and introduced into the inner peripheral side of the engaging unit body 151. The through hole 178 is formed on the lower side of the engagement unit body 151 so as not to get in the way when the adapter 171 is inserted.

Further, as shown in FIG. 32, holding claws 179 and 180 for detachably engaging and holding at least one of the connector 176 and the connection cord 175 are integrally formed on the inner peripheral side of the engagement unit main body 151. Has been done. Then, the holding claws 179 and 180 are connected to the connector 176 and the connection cord 175.
By engaging and holding the connector 176 and the connection cord 175, the connector 176 and the connection cord 175 can be temporarily held and prevented from hanging down.
Therefore, when the lighting fixture 111 is attached to the ceiling surface 2, it is possible to prevent the connector 176 and the connection cord 175 from being a hindrance, and for example, it is possible to easily perform the attaching work and the removing work with one hand. Also, if the connection cord 175 is long, the connection cord 175 hangs and the shade 114
It is possible to prevent the appearance from being deteriorated due to a shadow cast on the.
Further, even when the lighting fixture 111 is removed from the ceiling surface 2, it is possible to prevent the connector 176 and the connection cord 175 from moving. Also, these holding claws 179, 180
Can be easily formed integrally or separately on the inner peripheral side of the engagement unit main body 151, so that the structure can be simplified and the manufacturing cost can be reduced.

Further, as shown in FIGS. 33 and 34,
By forming the engaging claw 176a in the connector 176, the connector 176 can be engaged with the through hole 178 formed in the wall portion of the engaging unit body 151 and temporarily fixed. Further, with this configuration, it is not necessary to form the holding claws 179 and 180 on the inner peripheral side of the engagement unit body 151, and the structure can be simplified and the manufacturing cost can be further reduced.

Further, in each of the above-described embodiments, as shown in FIGS. 35 to 37, a spare lamp housing 181 for housing a spare fluorescent lamp L may be provided on the back side, that is, the upper surface side of the reflector 122. it can.

That is, the spare lamp storage section 181 is
It is provided on both sides of the main body chassis 121 and is provided on the back side of the reflection plate 122 so that two straight tube fluorescent lamps L can be housed in each. Further, the socket units 123 at both ends are formed with holding grooves 182 for engaging and holding the bases L ₁ of the fluorescent lamps L, respectively.
Similar to the lamp socket 141, the fluorescent lamp L can be detachably held.

Then, such a spare lamp storage portion 181
By providing a spare fluorescent lamp L,
2 Can be stored inside. Therefore, it is possible to easily and quickly replace the fluorescent lamp L when it runs out. Further, for example, by storing the fluorescent lamps L having different light colors in the spare lamp storage portion 181, it is possible to use the fluorescent lamps L having a light color suitable for the season while being replaced.

In addition, by electrically connecting the holding groove 182,
By lighting the fluorescent lamps L housed in the spare lamp housing section 181, it is possible to construct an illuminating device for performing indirect illumination in which the light rays emitted from these fluorescent lamps L are once reflected on the ceiling surface 2. Then, the fluorescent lamp L on the front side of the reflection plate 122 and the fluorescent lamp L on the rear side of the reflection plate 122 are appropriately switched and turned on, or simultaneously turned on, whereby the atmosphere of light can be easily changed. .

[0099]

According to the luminaire of the first aspect, the luminaire can be installed by connecting the mounting member to the hook ceiling and engagingly holding the luminaire body with the mounting member.
The latch portion of the engaging means that engages and holds the attachment member is inserted into the base portion fixed to the instrument body in a predetermined direction to be engaged and supported, and is biased in the predetermined direction by the biasing means. Since it is elastically pressed, the latch portion is temporarily held by the biasing means, and the work of assembling the engaging means to the instrument body can be facilitated.

According to the lighting equipment of the second aspect, in addition to the effect of the first aspect, the operation portion for operating the latch portion of the engaging means is integrally projected from the latch portion to the surface side of the equipment main body. Therefore, the number of parts can be reduced to reduce the manufacturing cost of the luminaire, and the luminaire can be easily removed by releasing the engagement between the luminaire main body and the mounting member by the operation from the front side of the luminaire. it can.

According to the lighting apparatus of the third aspect, the lighting apparatus can be installed by connecting the mounting member to the hook ceiling and engaging the apparatus body with the mounting member. Since the mounting member is engaged in the vicinity of the insertion opening provided in the instrument body, the engaging work can be facilitated. Since the insertion opening is covered by the cover body from the front surface side of the device body, the appearance of the lighting device can be improved.

According to the lighting fixture of the fourth aspect, in addition to the effect of the third aspect, at least one of the fixture main body and the mounting member is provided with engaging means for engaging the fixture main body and the mounting member with each other, Since the operating portion for releasing the engagement between the fixture main body and the attachment member is provided in the engagement means, the engagement between the fixture main body and the attachment member and the release of this engagement are facilitated, so that the work of attaching and removing the lighting fixture can be performed. Can be easy. Further, since the cover body is provided with the restricting portion for restricting the movement of the operation portion, it is possible to prevent the operation portion from being erroneously operated while the cover body is attached to the instrument body.

According to the lighting equipment of the fifth aspect, in addition to the effect of the fourth aspect, since the cover body is engaged and held by the operating portion of the engaging means, a separate member for engaging and holding the cover body or The structure becomes unnecessary and the manufacturing cost of the lighting fixture can be reduced.

According to the lighting equipment of the sixth aspect, the mounting member is connected to the hook ceiling mounted on the mounting surface,
By engaging the engaging member of the engaging unit of the instrument body with the attachment member, the instrument body can be attached to the attachment surface.
Further, by operating the engagement releasing means, the engagement between the attaching member and the engaging means is released, and the instrument body can be removed from the attaching surface. Since the engaging unit that engages with the mounting member is provided in contact with the main body chassis and the reflection plate of the instrument body, respectively, the main body chassis and the reflection plate of the instrument body are reinforced without using a special member. can do. Further, since the engaging unit is provided with the engaging means and the disengaging means, the parts can be unitized and the manufacturing can be facilitated.

According to the seventh aspect of the present invention, the attachment body is connected to the hook ceiling mounted on the attachment surface, and the engagement means of the engagement unit of the instrument body is engaged with the attachment member to form the instrument body. Can be attached to the mounting surface. Further, by operating the engagement releasing means, the engagement between the attachment member and the engagement means can be released, and the instrument body can be removed from the attachment surface. Since the engagement unit main body is provided with the engagement means and the engagement release means, the parts can be unitized and the manufacturing can be facilitated. Further, the disengagement means is provided outside the cylindrical engagement unit main body, and is for operating the engagement release means via the operation insertion portion formed on the inner peripheral surface of the engagement unit main body. The engagement releasing means is not exposed to the outside, and the appearance can be improved.

According to the lighting equipment of the eighth aspect, the mounting member is electrically and mechanically connected to the hook ceiling mounted on the mounting surface, and the engaging means of the engaging unit of the equipment main body is connected to the mounting member. The tool body can be mounted on the mounting surface by engaging with the mounting member and connecting the electrical connecting means drawn to the inner peripheral side from the engaging unit body to the mounting member. In a state where the electric connecting means is engaged with the engaging unit main body, the electric connecting means is held without moving, and the transportation of the lighting fixture can be facilitated.

According to the lighting equipment of the ninth aspect, in addition to the effect of the eighth aspect, the operation of disengaging means is provided on the outer side of the engagement unit body and formed on the inner peripheral surface of the engagement unit body. Since the operation is performed via the insertion portion, the engagement releasing means is not exposed to the outside, and the appearance can be improved.

According to the lighting apparatus of the tenth aspect, in addition to the effect of any one of the first to ninth aspects, since the lighting apparatus has a shade that is detachably attached to the apparatus main body, It is possible to provide a lighting device that can be used in combination with the shade removed from the main body of the device.

[Brief description of drawings]

FIG. 1 is a side view with a part cut away of a lighting fixture showing an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the same lighting fixture.

FIG. 3 is a perspective view of the lighting fixture in an exploded state.

FIG. 4 is a perspective view of a part of the same lighting fixture.

FIG. 5 is a perspective view of the lighting device in an exploded state.

FIG. 6 is an exploded perspective view of the same latch mechanism.

FIG. 7 is an exploded perspective view of the same latch mechanism.

FIG. 8 is a sectional view of the above latch mechanism.

FIG. 9 is a perspective view showing the operation of the above latch mechanism.

FIG. 10 is a perspective view showing the operation of the above latch mechanism.

FIG. 11 is a perspective view showing the same cover body.

FIG. 12 is a cross-sectional view showing the same cover body.

FIG. 13 is a perspective view showing another embodiment of the latch mechanism of the present invention.

FIG. 14 is a perspective view showing another embodiment of the latch mechanism of the present invention.

FIG. 15 is a sectional view of the above latch mechanism.

FIG. 16 is a sectional view showing another embodiment of the latch mechanism of the present invention.

FIG. 17 is a sectional view showing another embodiment of the latch mechanism of the present invention.

FIG. 18 is a sectional view showing another embodiment of the latch mechanism of the present invention.

FIG. 19 is a perspective view of the lighting apparatus of the present invention in an exploded state.

FIG. 20 is a cross-sectional view of an attached state of the adapter of the present invention.

FIG. 21 is an exploded perspective view showing the attaching operation of the adapter of the present invention.

FIG. 22 is an exploded perspective view showing another embodiment of the lighting fixture of the present invention.

FIG. 23 is a perspective view of the lighting device in an exploded state.

FIG. 24 is a partial cross-sectional view of the same lighting fixture.

FIG. 25 is a partial cross-sectional view of the same lighting fixture.

FIG. 26 is a perspective view of the same engaging unit.

FIG. 27 is an end view in which a part of the lighting fixture is cut away.

FIG. 28 is a partial cross-sectional view of the same lighting fixture.

FIG. 29 is a partial cross-sectional view showing another embodiment of the same lighting fixture.

FIG. 30 is an exploded perspective view showing another embodiment of the lighting fixture of the present invention.

FIG. 31 is a cross-sectional view of part of the same lighting fixture.

FIG. 32 is a perspective view of an engagement unit of the above lighting fixture.

FIG. 33 is a perspective view showing another embodiment of the engaging unit of the above lighting equipment.

FIG. 34 is a cross-sectional view of a part of the engagement unit of the same lighting fixture.

FIG. 35 is an exploded perspective view showing another embodiment of the lighting fixture of the present invention.

FIG. 36 is a perspective view of the same lighting equipment.

FIG. 37 is an end view in which a part of the lighting device is cut away.

[Explanation of symbols]

 1 Ceiling ceiling 2 Ceiling surface as mounting surface 11,171 Adapter 21 as mounting member 21,112 Instrument body 22b Insertion part 41 Insertion opening 44 Latch mechanism 45 as engaging means 45 Base part 46 Latch part 47 As biasing means Spring body 64 Release lever 71 as operating part 71 Cover body 72 Operation part fitting hole as restricting part 111 Lighting fixture 114 Sed 121 Main body chassis 122 Reflector plate 150 Engaging unit 151 Engaging unit main body 151a Opening as an operating insertion part Part 157 Engaging claw as engaging means 158 Operating part as disengaging means 176 Connector as electrical connecting means

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Ryoichi Komai 4-3-1, Higashishinagawa, Shinagawa-ku, Tokyo Within Toshiba Litec Co., Ltd. (72) Nobuo Kanai, 180 Furuichimachi, Maebashi, Gunma Prefecture Toshiba Equipment Co., Ltd. Within

Claims (10)

[Claims] 1. A base body fixed to the instrument body, comprising: an attachment member connected to the hook ceiling and an instrument body provided with an engagement means for engaging and holding the attachment member. A latch portion that is inserted into the base portion in a predetermined direction and is engaged and supported so as to be able to advance and retreat, and that retains the attachment member in a disengageable manner, and the latch portion is elastic in the predetermined direction. And a biasing means for pushing the lighting device. 2. The engaging means is arranged on the back side of the instrument body, and the latch portion of the engaging means is integrally provided on the front side of the instrument body. 2. The instrument main body is provided with an insertion portion that allows the operation portion of the latch portion to project to the front surface side.
The described lighting equipment. 3. A mounting member connected to the hook ceiling, an insertion opening, and an instrument main body engaged with the mounting member in the vicinity of the insertion opening, and the insertion opening of the instrument main body on the front surface side. A luminaire, comprising: a cover body for covering from. 4. Engaging means provided on at least one of the instrument body and the attachment member for engaging the instrument body and the attachment member with each other; and the instrument body and the attachment member provided on the engaging means. The lighting device according to claim 3, further comprising: an operation section that releases the engagement, and a restriction section that is provided on the cover body and that restricts movement of the operation section. 5. The luminaire according to claim 4, wherein the cover body is engaged with and held by the operating portion of the engaging means. 6. A mounting member connected to a hooking ceiling mounted on a mounting surface, a main body chassis and a reflector, and an instrument main body which is engaged with the mounting member and mounted on the mounting surface, and the main body. An engagement unit that is provided on the instrument body in contact with the chassis and the reflection plate, respectively, and that has an engagement unit that engages with the attachment member and an engagement unit that has an engagement release unit that releases this engagement. Lighting equipment characterized by having done. 7. An instrument body having an attachment member connected to a hooking ceiling attached to the attachment surface, and an engagement unit, which is attached to the attachment surface by engaging with the attachment member via the engagement unit. Wherein the engagement unit is provided in a tubular shape on the instrument body, the engagement unit body into which the attachment member can be inserted, and the attachment member provided on the engagement unit body. The engaging means for engaging and the engaging of the engaging means by being operated via an operating insertion portion provided on the outer side of the engaging unit body and formed on the inner peripheral surface of the engaging unit body. And a disengagement means for disengaging. 8. An attachment member electrically and mechanically connected to a hook ceiling attached to an attachment surface, an instrument body engaged with the attachment member and attached to the attachment surface, and a tube for the instrument body. Shaped engaging unit main body, engaging means supported by the engaging unit main body and engaging with the mounting member, engagement releasing means for releasing the engagement of the engaging means, and the mounting member An engaging unit having an electric connecting means electrically connected to the engaging unit main body, the electric connecting means being releasably engaged with and retained by the engaging unit main body, A lighting fixture characterized in that it is provided so as to be able to be pulled out to the peripheral side. 9. The engagement releasing means is provided outside the engagement unit body, and is operated via an operation insertion portion formed on an inner peripheral surface of the engagement unit body. Item 8. A lighting device according to item 8. 10. The lighting fixture according to claim 1, further comprising a shade that is detachably attached to the fixture main body.