JP2000331529A - Luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a luminaire easily attached even when a height of an instrument main body is low and attachable even after end piping. SOLUTION: This luminaire is equipped with a lamp-socket 2 having a lamp pin connecting part 3 on an upper part of a front surface, a protruding part 4 on a lower end part protruding forward from the front surface, and an engaging part 5 on a side surface, an instrument main body 1 having a socket mount 17 wherein an opening 6 is formed through which the lamp-socket 2 is inserted and a locking part 7 locking a locking part 5 is formed on both side rim parts of the opening 6, and a reflector 10 having an abutting part 8 attached to this instrument main body 1 and abuts to the protruding part 4 on the lamp pin connecting part 3 side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting fixture.

[0002]

2. Description of the Related Art FIGS. 6 to 9 show a conventional example (for example, JP-A-10-223032). That is, the lighting fixture includes a lamp socket 53 having a lamp pin connection portion 50 at the upper portion of the front surface, a projecting portion 51 projecting forward from the front surface at the lower end portion, and an engaging portion 52 on the side surface; Locking part 5 for forming an opening 54 through which the locking member 52 is inserted and locking the engaging part 52
5 is formed on both side edges of the opening 54, and has a fixture body 59 having a socket mounting base 58 formed with a contact portion 57 in which the projection 51 is in contact with the lamp pin connection portion 50 side.

The lamp socket of this lighting fixture has an opening 5
4, the elastic deformation portion 52 a of the engaging portion 52 on the side surface of the lamp socket 53 is inserted into the opening 54 and locked, and the protruding portion 51 comes into contact with the contact portion 57. In this case, the engagement between the engagement portion 52 and the engagement portion 55 is formed such that the lamp socket 53 is engaged in a state where the lamp socket 53 is inclined forward, and furthermore, the protruding portion 51 is brought into contact with the abutment portion 57 so as to make the lamp By regulating the angle of the socket 53 in the forwardly inclined posture, both the lamp holding force and the ease of lamp insertion are ensured. That is, the lamp holding force is ensured by the forward tilting posture of the lamp socket, but the lamp insertion is ensured by preventing the lamp socket from being tilted too much.

Reference numeral 60 denotes an end piping connection hole provided below the lamp socket 53 of the end portion 61 in the instrument body 59, 62 denotes piping, 63 denotes a nut, 64 denotes a bushing, and 7 denotes a bushing.
Reference numeral 0 denotes a straight tube fluorescent lamp.

Another conventional example shown in FIG. 10 is different from the conventional example described above in that a projection 65 is provided at the tip of a projection 65 toward the lamp pin connection portion side, and the projection 6 is provided on the socket mounting base 58.
5 are formed.

[0006]

However, in these conventional luminaires, if the height H of the luminaire body 59 becomes small, it becomes difficult to mount the lamp socket 53 and the length L of the socket mount 58 becomes large. Alternatively, when the width W is reduced, the inner nut 63 and the bushing 64 are difficult to attach as shown in FIG.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a lighting fixture which can be easily attached even if the height of the fixture body is small, and can be attached even after the end piping.

[0008]

According to a first aspect of the present invention, there is provided a lighting apparatus having a lamp pin connecting portion at an upper portion of a front surface, a projecting portion projecting forward of the front surface at a lower end portion, and an engaging portion at a side surface. And a socket mounting base having an opening through which the lamp socket is inserted, and locking portions for locking the engaging portions formed on both side edges of the opening. It has a contact part that hits the lamp pin connection part side,
And a fixture body having a reflection plate, wherein the engaging portion of the lamp socket is locked by the locking portion, and the protruding portion contacts the contact portion to regulate the forward tilting posture of the lamp socket. The lighting device is characterized in that the contact portion is provided on the reflection plate.

According to the luminaire of the first aspect, since the abutment portion is provided on the reflector, the length of the socket mount can be shortened, thereby facilitating insertion into the opening of the lamp socket. Even if the height of the main body is small, the lamp socket can be easily mounted, and can be mounted even after the end piping.

According to a second aspect of the present invention, there is provided a lighting fixture having a lamp pin connecting portion at an upper portion of a front surface, a projecting portion projecting forward of the front surface at a lower end portion, and an engaging portion at a side surface; A socket mounting having an opening through which the lamp socket is inserted, locking portions for locking the engaging portion on both side edges of the opening, and a contact portion corresponding to the lamp pin connecting portion side of the projecting portion; And a fixture main body provided with the socket mount. The engaging portion of the lamp socket is locked by the locking portion, and the protruding portion contacts the abutting portion so that the lamp socket has A lighting fixture in which a forward tilting posture is regulated, wherein the socket mounting base is detachably attached to the fixture main body.

According to the second aspect of the present invention, since the socket mounting base is detachable from the main body, the lamp socket can be easily inserted into the opening of the socket mounting base, and the height of the main body can be reduced. Therefore, the lamp socket can be easily mounted, and can be mounted even after the end piping.

According to a third aspect of the present invention, there is provided a lighting fixture having a lamp pin connecting portion at an upper portion of a front surface, a projecting portion projecting forward of the front surface at a lower end portion, and an engaging portion at a side surface; A socket mounting having an opening through which the lamp socket is inserted, locking portions for locking the engaging portion on both side edges of the opening, and a contact portion corresponding to the lamp pin connecting portion side of the projecting portion; And a fixture main body provided with the socket mount. The engaging portion of the lamp socket is locked by the locking portion, and the protruding portion contacts the abutting portion so that the lamp socket has A lighting device in which a forward leaning posture is regulated, wherein a base portion of the protruding portion is in contact with the contact portion.

According to the third aspect of the present invention, since the base portion of the protruding portion abuts on the abutting portion to regulate the forward tilting posture of the lamp socket, the length of the socket mount can be shortened.
This makes it easier to insert the lamp socket into the opening,
For this reason, even if the height of the fixture body is small, the lamp socket can be easily attached, and can be attached even after the end piping.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIG. That is, this lighting fixture is a lighting fixture in which the lamp sockets 2 are attached to both ends of the fixture main body 1 having the reflection plate 10 so as to face each other.

The lamp socket 2 has a lamp pin connecting portion 3 at the upper portion of the front surface, a projecting portion 4 projecting forward from the front surface at the lower end portion, and an engaging portion 5 on the side surface. The protruding portion 4 has a protrusion 9 protruding from the tip toward the lamp pin connecting portion 3 side. The engaging portion 5 has the same structure as that of FIG. 8, for example, and is formed by a groove between a supporting portion protruding from the lower end of the side surface and an elastic chevron portion facing the supporting portion.

The apparatus main body 1 has a socket mounting base 17 in which an opening 6 through which the lamp socket 2 is inserted is formed, and locking portions 7 for locking the engaging portion 5 are formed on both side edges of the opening 6.
The appliance main body 1 of the embodiment is an elongated box having a U-shaped cross section. A substantially L-shaped plate-shaped end member 11 is provided at both ends of the appliance main body. The socket mount 17 is used. The opening 6 of the socket mount 17 is formed in the socket mount 17 by, for example, a notch, and the locking portions 7 are both side edges of the notch.

The reflecting plate 10 has a contact portion 8 with which the projection 4 contacts the lamp pin connecting portion 3 side. The reflector 10 is attached so as to cover the opening on the front side of the instrument body 1, has bent pieces 12 on both sides, and has cutouts 13 for fitting the lamp sockets 2 at both ends. The abutment portion 8 is formed by drawing and cutting the inner bend so that the contact portion 8 protrudes toward the protruding portion 4. Reference numeral 15 denotes a pipe connection hole formed in the end member 11.

Before attaching the reflector 10 to the instrument body 1,
The lamp socket 2 is engaged with the opening 6. In this case, the lamp socket 2 is engaged with the socket mount 17 by fitting the groove of the engaging portion 5 into the cutout edge of the opening 6 and sliding along the edge as shown by the arrow. Next, the reflection plate 10 is attached to the fixture main body 1, and the contact portion 8 is brought into contact with the projection 9 of the lamp socket 2. As a result, the lamp socket 2 is supported by the engaging portion 7 by the engaging portion 5 and the projection 9 is pressed by the contact portion 8, so that the forward tilting posture of the lamp socket 2 is regulated.

According to this embodiment, the angle of the lamp socket 2 with respect to the lamp is regulated by the engaging portion 5 on the side of the socket.
In addition, since the contact portion 8 is formed on the reflection plate 10 by irregularities or the like, the length of the front side of the end member 11 (corresponding to L in FIG. 8) can be reduced. Therefore, even if the height H and the width W of the fixture body 1 are reduced, the mounting of the lamp socket 2 becomes easy, and the lamp socket 2 can be mounted even after the end piping. This is particularly noticeable when the opening 6 is notched. The reflecting plate 10 is a thin plate (t =
(0.3 to 0.4), and the lamp can be mounted even if the dimensional error is large due to its elasticity.

The opening 6 is not limited to the notch but may be a hole.
When the opening 6 is notched, the engaging portion 5 may be a simple groove.

A second embodiment of the present invention will be described with reference to FIG. That is, in this lighting fixture, in the first embodiment, the projection is formed in a pin shape, the contact portion of the reflector is formed to be deeper, and the hole 16 is fitted with the projection.
Is formed. Further, the reflection plate has extension portions 10a formed on both sides.

According to this embodiment, holes 16 are formed in projections 9.
Is fitted, it is possible to confirm that the reflection plate 10 is at a regular position.

The other parts are the same as in the first embodiment.

A third embodiment of the present invention will be described with reference to FIG. That is, in the lighting fixture, in the second embodiment, the socket mount 17 is detachably attached to the fixture main body 1 instead of being integrated. In the embodiment, mounting grooves 18 are formed on both side plates of the appliance main body 1 so that the socket mounting table 1 is formed.
7, engaging pieces 19 to be fitted into the mounting grooves 18 are formed on both sides,
The two side plates of the instrument main body 1 are bent so as to approach each other inward, and the engagement pieces 19 are fitted into the mounting grooves 18 and mounted. Further, the contact portion 8 is provided on the socket mount 17 and the hole 16 is formed. Unlike the first and second embodiments, both ends of the reflection plate 10 are only cutouts.
In addition, the same reference numerals are given to portions common to the first embodiment and the second embodiment.

According to this embodiment, the socket mount 17 for regulating the angle of the lamp socket 2 with respect to the lamp is provided.
Can be attached and detached by the installer, so that the socket mounting table 17 is detached, so that the appliance body 1 is removed in the same manner as in the first embodiment.
The height H and width W of the lamp socket 2
And the lamp socket 2 can be mounted even after the end piping.

A fourth embodiment of the present invention will be described with reference to FIG. That is, in this lighting apparatus, in the third embodiment, the retaining projection 20 is provided at the opening edge of the notch 6 of the socket mount 17. This allows the lamp socket 2 to be mounted before the socket mount 17 is mounted on the fixture body 1.
Are not easily detached when engaged with the socket mount 17, so that the assembling becomes easy. In this embodiment, no hole 16 is provided.

In the third embodiment and the fourth embodiment, the contact of the socket mount 17 is made like the contact portion of the reflector in the first and second embodiments. The portion 8 may project downward, that is, toward the projection 4.

A fifth embodiment of the present invention will be described with reference to FIG. That is, in this lighting fixture, the opening 6 of the socket mount 17 is formed by a hole, and the portion between the opening 6 and the center of the fixture main body of the socket mount 17 is bent stepwise so as to project downward. The contact portion 8 is provided. The contact portion 8 is in contact with the base of the protrusion 4 of the lamp socket 2 to regulate the lamp socket 2 in the forwardly inclined posture.

Here, assuming that A is the amount of protrusion from the base of the protrusion 4 to the front of the protrusion 9, a is the width of the contact portion 8, and b is the amount of depression of the contact portion 8, this embodiment is as follows. As a> A, the dimension b required to regulate the socket angle is secured. That is, the angle of the lamp socket 2 with respect to the lamp is regulated not only by the engaging portion 5 on the side surface of the socket, but also by the contact portion 8 formed on the socket mounting base 17 by unevenness or the like. Since L can be reduced, mounting of the lamp socket 2 becomes easy, and end piping can be performed with the lamp socket 2 mounted. In addition, the same reference numerals are given to portions common to the first embodiment and the second embodiment.

[0030]

According to the luminaire of the first aspect, the contact portion is provided on the reflection plate, so that the length of the socket mounting base can be shortened, thereby facilitating insertion into the opening of the lamp socket. Therefore, even if the height of the fixture body is small, the lamp socket can be easily attached, and can be attached even after the end piping.

According to the lighting apparatus of the second aspect, since the socket mounting base is made detachable from the apparatus main body, it is easy to insert the lamp socket into the opening of the socket mounting base, and the height of the apparatus main body is small. Therefore, the lamp socket can be easily mounted, and can be mounted even after the end piping.

According to the lighting apparatus of the third aspect, the base portion of the projection is brought into contact with the contact portion to regulate the forward tilting posture of the lamp socket.
This makes it easier to insert the lamp socket into the opening,
For this reason, even if the height of the fixture body is small, the lamp socket can be easily attached, and can be attached even after the end piping.

[Brief description of the drawings]

FIG. 1 is a partially exploded perspective view of a first embodiment of the present invention.

FIG. 2 is a partially exploded perspective view of the second embodiment.

FIG. 3 is a partially exploded perspective view of a third embodiment.

FIG. 4 is a partial perspective view of a fourth embodiment.

FIG. 5 is a partially exploded perspective view of a fifth embodiment.

FIG. 6 is an external perspective view of a conventional lighting device of a straight tube type fluorescent lamp.

7A and 7B show the mounting state of the lamp socket, and FIG.
Is a front view, and (b) is a sectional view.

FIG. 8 is an explanatory diagram of attachment of a lamp socket.

FIG. 9 is a cross-sectional view of the instrument main body in a lamp socket mounted state.

FIGS. 10A and 10B show a mounted state of another conventional lamp socket, wherein FIG. 10A is a front view and FIG. 10B is a sectional view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Instrument main body 2 Lamp socket 3 Lamp pin connection part 4 Projection part 5 Engagement part 6 Opening 7 Locking part 8 Contact part 9 Projection 10 Reflector 11 End member 17 Socket mount

Claims (3)

[Claims] 1. A lamp pin connection part is provided on an upper part of a front surface,
A lamp socket having a projection projecting forward of the front surface at a lower end thereof and having an engagement portion on a side surface, and an engagement portion for forming an opening through which the lamp socket is inserted and engaging the engagement portion. A lamp body having a socket mounting base formed on both side edges of the opening, a contact portion abutting on the lamp pin connecting portion side of the protrusion, and a fixture body having a reflector. A lighting device in which a mating portion is locked by the locking portion, and the projecting portion is in contact with the contact portion to regulate a forward tilting posture of the lamp socket, wherein the contact portion is provided on the reflection plate. Lighting equipment characterized by the above-mentioned. 2. A lamp pin connection part is provided on an upper part of a front surface,
A lamp socket having a protrusion protruding forward of the front surface at a lower end portion and having an engagement portion on a side surface, and a locking portion having an opening through which the lamp socket is inserted and locking the engagement portion. A socket mounting base provided at both side edges of the opening and having an abutting portion corresponding to the lamp pin connection side of the projecting part; and an appliance body provided with the socket mounting base, the engagement of the lamp socket A lighting device in which a portion is locked to the locking portion, and the protruding portion abuts on the abutting portion to regulate a forward tilting posture of the lamp socket, wherein the socket mount is detachable from the device main body. A lighting device characterized by being attached to a lighting device. 3. A lamp pin connection part is provided on an upper part of the front surface,
A lamp socket having a protrusion protruding forward of the front surface at a lower end portion and having an engagement portion on a side surface, and a locking portion having an opening through which the lamp socket is inserted and locking the engagement portion. A socket mounting base provided at both side edges of the opening and having an abutting portion corresponding to the lamp pin connection side of the projecting part; and an appliance body provided with the socket mounting base, the engagement of the lamp socket A lighting device in which a portion is locked to the locking portion, and the protruding portion abuts on the abutting portion to regulate a forward tilting posture of the lamp socket, wherein a root portion of the protruding portion is abutted on the abutting portion. A lighting fixture characterized by being in contact with.