JPH07169322A - Luminaire - Google Patents

Abstract

PURPOSE:To prevent a wiring cord from suspending or tangling without detachment of a cord holding tool in spite of a simple structure by providing a specific constitution in a predetermined luminaire. CONSTITUTION:In a luminaire where accessories such as a stabilizer 3 and a wiring cord 10 are contained inside a luminaire main body 1 having a lamp fixed (to a position of a lamp socket 4) and the wiring cord 10 is supported by a cord holding tool 20, the cord holding tool 20 is provided with a cord presser 21 and a supporting piece 22 extending from the cord presser 21. The supporting piece 22 is held between the luminaire main body 1 and the accessories 3 so that the cord holding tool 20 is fixed to the luminaire main body 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting fixture in which an accessory such as a ballast is housed in a lighting fixture body to which a lamp is attached and a wiring cord is routed and wired.

[0002]

2. Description of the Related Art For example, a lighting fixture directly attached to a ceiling includes a lighting fixture body made of a metal plate, a reflector, a straight tube fluorescent lamp as a light source, and a lighting circuit for maintaining the starting and lighting of the lamp. Parts are attached. A plurality of wiring cords are used to electrically connect the lamp, the lighting circuit component, the light source, and the like, and this type of wiring cord is laid and wired in the main body of the lighting fixture. If such a wiring cord is complicated inside the instrument body, it may interfere with wiring and assembling work. Therefore, it is desirable to bundle and fix the cord.

A conventional case will be described by taking a single-lamp type ceiling-mounted luminaire shown in FIGS. 6 to 8 as an example. In the figure, reference numeral 1 denotes a sheet metal lighting fixture body, which is fixed to a ceiling surface 2. A ballast 3 shown in FIG. 6 and a lighting circuit component (not shown) are housed in the fixture body 1 at substantially the center in the longitudinal direction, and lamp sockets 4, 4 are attached to both ends in the longitudinal direction. . Lamp socket 4
Are fixed to the socket metal fittings 6 via the decorative screws 5 ... And the socket metal fittings 6 are fixed to the instrument body 1. A straight tube fluorescent lamp 7 is laid between the lamp sockets 4 and 4 facing each other. The ballast 3, the lighting circuit components, the socket metal fittings 6 ... The reflection plate 8 has an inverted Fuji cross section, and is fixed to the instrument body 1 by a screw (not shown). The inclined surface and the lower surface of the reflector 8 are white reflective surfaces, and the lamp socket 4 projects from the lower surface, and the straight tube fluorescent lamp 7 is attached between the lamp sockets 4 and 4 at both ends. There is something.

A plurality of wiring cords 1 are provided in the instrument body 1.
0 ... are routed and wired. Wiring cord 10 ...
It is wired around between the commercial power source, the ballast 3, the lighting circuit parts, the lamp socket 4, and the like. Such a wiring cord 10 ... Has a middle portion thereof, for example, a corner portion 11 formed by the upper surface wall 1a of the instrument body 1 and the ballast 3.
, And the wiring cords 10 ... Are supported by the cord retainer 12.

As shown in FIG. 7, the conventional cord retainer 12 is made of a rectangular piece made of a resin having elasticity (for example, Lumirror = trade name), and has both ends of the shoulder 3 of the ballast 3 and the instrument body 1. The elastic cords are elastically deformed and locked between the corner portions, and by this elastic attachment, the wiring cords 10 ... Collected in the corner portions 11 formed by the upper surface wall 1a of the instrument body 1 and the ballast 3 are pressed. Has become.

By supporting the wiring cords 10 ... With such a cord retainer 12, it is possible to prevent the wiring cords 10 from hanging down and to prevent the plurality of wiring cords 10 ... It is possible to prevent such troubles as "becomes".

[0007]

However, the cord retainer 12 as described above has a drawback that it has a simple structure but is easily detached. That is, when tension is applied to the wiring cord 10 or when vibration or impact is applied to the instrument body 1, the end of the cord retainer 12 is disengaged and the cord retainer 12
May fall out.

Since such a cord retainer 12 is a small part, it is not noticed that it is detached, and the reflector 8
When attaching a cable, the wiring cord 10 that hangs down may be caught in a problem.

The present invention has been made in view of the above circumstances. The object of the present invention is that the holder for holding the cord does not come off even though it has a simple structure, so that the wiring cord is not sagged or complicated. It is intended to provide a lighting fixture that can be prevented.

[0010]

In order to achieve the above object, the present invention accommodates accessory parts and wiring cords in a lighting fixture body to which a lamp is attached, and the wiring cords are supported by a cord holder. In the lighting equipment
The cord holder includes a cord retainer and a support piece extending from the cord retainer, and the cord retainer is fixed to the instrument body by sandwiching the support piece between the instrument body and accessory parts. It is characterized by having done.

[0011]

According to the structure of the present invention, the cord holder is composed of the cord pressing portion and the supporting piece extending from the cord pressing portion, and the supporting piece is held between the instrument body and the accessory. As a result, the cord holder will not come off. Therefore, it is possible to prevent the wiring cord supported by the cord pressing portion from being complicated and hanging down.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on an embodiment shown in FIGS. The present embodiment shows an example applied to a two-light type ceiling-mounted luminaire, but the luminaire main body 1 and the reflector 8 are the same as those of the conventional luminaire shown in FIG. 6 as will be described later. The reflector 8 having the same shape and size as the reflector used in the single-lamp direct lighting fixture is used. Therefore, in the present embodiment, the same parts as those of the related art shown in FIGS. 6 to 8 are designated by the same reference numerals and the description thereof will be omitted. That is, 1 is a lighting fixture body, 2 is a ceiling surface, 3 is a ballast,
4 is a lamp socket.

A plurality of wiring cords 1 are provided inside the instrument body 1.
0 ... is housed. The wiring cords 10 ... Are wired around between the commercial power source, the ballast 3, the lighting circuit parts, the lamp socket 4, and the like. Such wiring cords 10 ... Are gathered in the middle thereof, for example, in a corner portion 11 formed by the upper surface wall 1a of the instrument body 1 and the ballast 3, and these wiring cords 10 ...
Supported by.

The cord holder 20 is made of an elastic resin (for example, Lumirror = trade name), and as shown in FIG. 2, the cord holder 2 is formed in a triangular shape, for example.
1 and a supporting piece 22 extending from one piece of the cord pressing portion 21. Triangular cord holder 21
Is elastically deformed and opened, and the cord pressing portion 21 is adapted to be inserted in the middle of the plurality of wiring cords 10 ... And this cord holder 20 is
The cord pressing portion 21 in which an intermediate portion of the wiring cord 10 is inserted is installed between the shoulder opening of the ballast 3 and the corner portion of the device body 1, and the support piece 22 extended from one piece of the cord pressing portion 21 is provided. It is fitted in a gap 23 formed between the upper surface wall 1a of the instrument body 1 and the ballast 3, and is sandwiched between the upper surface wall 1a of the instrument body 1 and the ballast 3.

Therefore, when the cord holder 20 having such a structure is used, the support piece 22 extending from one piece of the cord pressing portion 21 is held between the upper wall 1a of the instrument body 1 and the ballast 3. Even when tension is applied to the wiring cords 10 or vibration or impact is applied to the instrument body 1, the cord holder 20 does not come off and fall.

Therefore, it is possible to prevent the wiring cords 10 from becoming complicated in the instrument body 1 and prevent troubles such as hindering the assembly work.

In addition, it is possible to prevent problems such as the hanging wiring cord 10 being caught when the reflector 8 is attached.

Moreover, the cord holder 20 is an integrally molded product, has a simple structure, and does not require any special processing such as a mounting hole in other members, so that it can be implemented at low cost.

The shape of the cord pressing portion 21 is not limited to a triangle but may be a square or a circle. Also, the support piece 2
The member that holds 2 is not limited to being between the instrument body 1 and the ballast 3, but may be between the instrument body 1 and other accessory parts.

By the way, in the above-mentioned embodiment, two fluorescent lamps 7 are attached to the conventional one-lamp type lighting fixture to have a two-lamp type structure. Explaining this point, the single-lamp type lighting fixture shown in FIGS. 6 to 8 has a problem in that only one lamp 7 can be mounted, so that the amount of light is small and high illuminance cannot be obtained. On the other hand, conventionally,
A two-lamp type direct lighting fixture with a ceiling is known. Conventional 2
As shown in the cross section of FIG. 9, the direct lighting fixture with a ceiling is provided with inclined surfaces 81, 8 of an inverted triangular reflector 8.
The lamp sockets 4 are attached to the respective lamps 1, and the straight tube fluorescent lamps 7, 7 are attached between these lamp sockets 4. In FIG. 9, 1 is a lighting fixture body, 2 is a ceiling surface, 3 is a ballast, 4 is a lamp socket, 5 is a decorative screw, and 6 is a socket fitting.

However, the conventional two-lamp type lighting fixture is shown in FIG.
As can be seen from the above, there was a problem that the width dimension W was large, and thus the size was increased. On the other hand, although it is a two-lamp type lighting fixture, a small and compact lighting fixture having a small width W has been desired.

Therefore, in this embodiment, a two-lamp type lighting fixture was developed by utilizing the conventional one-lamp type lighting fixture.

That is, as shown in FIG. 3 and FIG.
Utilizing the inclined surfaces 82, 82 of the inverted Fuji-shaped reflector 8,
The lamp socket 4 is attached to each of these inclined surfaces 82, 82.
The straight tube fluorescent lamps 7, 7 were attached via the. In this case, it is necessary to form lead-out holes 83, 83 for leading out the lamp sockets 4, 4 in the inclined surfaces 82, 82 of the reflector 8, but the lead-out holes formed in the left and right facing inclined surfaces 82, 82. The distance between the holes 83, 83 becomes smaller. On the other hand, the lamp socket 4 protruding from the lead-out holes 83, 83,
4 are inclined and projected so as to spread outward and downward respectively.

As a result, when the reflector 8 is assembled to the fixture body 1 and is raised vertically, the left and right lamp sockets 4, 4 interfere with the reflector 8 and the lamp sockets 4, 4 are led out. It cannot be derived from 83, 83.

Therefore, in this embodiment, the lamp sockets 4 and 4 are rotatably and slidably supported and the orientations of the lamp sockets 4 and 4 are changed, so that the lamp sockets 4 and 4 are led out. , 83 easily derived. That is, in the figure, reference numeral 30 denotes a socket receiver, which is welded or riveted one by one to both ends of the lighting fixture body 1 in the longitudinal direction. The socket receiving member 30 has a long hole-shaped sliding hole 31, 3 on the left and right sides.
1 is formed to be inclined. These sliding holes 31, 31
Support pins 32, 32 are rotatably and slidably inserted in the.

Socket metal fittings 33 and 33 are connected to the support pins 32 and 32, respectively. These socket fittings 33, 33 are connected to the tongue piece 3 at an eccentric position.
4, 34 are provided, and these connecting tongue pieces 34, 34 are provided.
Are connected to the support pins 32, 32. And, these socket metal fittings 33, 33 are provided with lamp sockets 4, 4,
Is fixed. Therefore, the lamp sockets 4 and 4 are suspended by the support pins 32 and 32, and the sliding holes 31 and 31 are
It is supported so as to be rotatable and slidable along.

In such a configuration, the lamp sockets 4 and 4 are suspended by the support pins 32 and 32 before the reflection plate 8 is attached, and are suspended by their own weight. Then, the reflector 8 is pushed up from below to introduce the lamp sockets 4, 4 into the lead-out holes 83, 83 of the inclined surfaces 82, 82. When the reflector 8 is raised in this state, the lamp sockets 4 and 4 are guided to the guide holes 83 and 83, and at this time, the lamp sockets 4 and 4 are supported by the support pins 32 and 3.
It rotates about 2 and moves along the sliding holes 31, 31. Therefore, the lamp sockets 4 and 4 are connected to the lead-out hole 8
It passes through 3, 83, is supported by the lower edges of the lead-out holes 83, 83, and is held in a predetermined direction.

That is, by simply raising the reflector 8,
The lamp sockets 4 and 4 can be led out from the lead-out holes 83 and 83 to be arranged in a predetermined inclined posture. Therefore, the interference between the lamp sockets 4 and 4 is avoided, and the work of inserting and removing the reflector 8 is facilitated. Therefore, the two fluorescent lamps 7, 7 can be attached to the reflecting plate 8 of the one-lamp type lighting fixture, and the width W thereof can be significantly reduced as compared with the conventional two-lamp type lighting fixture. It is possible to provide a compact two-light type lighting fixture.

Moreover, since the distance between the adjacent fluorescent lamps 7, 7 is shorter than that of the conventional two-lamp type lighting fixture, the density of the lamps is increased and the brightness is further increased.

The present invention is not limited to the two-lamp type lighting fixture having the above-mentioned construction, and can be implemented with a one-lamp type lighting fixture, and is not limited to a ceiling-mounted type lighting fixture, which is a ceiling-embedded type. It can be implemented even with lighting equipment. Also, the lamp is not limited to a straight tube fluorescent lamp. In addition, various modifications can be made without departing from the scope of the present invention.

[0031]

As described above, according to the present invention, since the supporting piece formed on the cord holder is held between the instrument body and the accessory, the cord holder is prevented from coming off. Therefore, it is possible to prevent the wiring cord supported by the cord pressing portion from being complicated and hanging down. Moreover, the cord holder has a simple structure and can be provided at a low cost.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a portion supporting a wiring cord in a two-lamp type ceiling-mounted fluorescent lamp fixture showing an embodiment of the present invention.

FIG. 2 is a perspective view of a cord holder according to the embodiment.

FIG. 3 is a sectional view of a portion to which a lamp socket is attached in the same embodiment.

FIG. 4 is a cross-sectional view when a reflector is attached in the same embodiment.

5A and 5B show a socket receiver of the embodiment, FIG. 5A is a front view and FIG. 5B is a side view.

FIG. 6 is a cross-sectional view of a conventional single-lamp type ceiling-mounted fluorescent lamp fixture.

FIG. 7 is a perspective view of the conventional cord retainer.

FIG. 8 is a perspective view of the conventional single-lamp type ceiling-mounted fluorescent lamp fixture.

FIG. 9 is a cross-sectional view of a conventional two-lamp type ceiling-mounted fluorescent lamp fixture.

[Explanation of symbols]

 1 ... Lighting device main body 2 ... Ceiling surface 3 ... Ballast 4 ... Lamp socket 7 ... Straight tube fluorescent lamp 8 ... Reflector 10 ... Wiring cord 20 ... Cord holder 21 ... Cord retainer 22 ... Support piece 23 ... Gap 30 ... Socket receiver 31 ... Sliding hole 32 ... Support pin 33 ... Socket metal fitting 82 ... Inclined surface 83 ... Outlet hole

Claims (1)

[Claims] 1. A lighting fixture in which an accessory part and a wiring cord are accommodated in a lighting fixture main body to which a lamp is attached, and the wiring cord is supported by a cord retainer, wherein the cord retainer includes a cord retainer and a cord retainer. A lighting fixture comprising: a supporting piece extending from the cord pressing portion, and the cord holder is fixed to the main body of the appliance by sandwiching the supporting piece between the main body of the appliance and an accessory.