JPH10223014A - Luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make possible lighting with effective and enough quantity of light in accordance with wide ranging of working environment. SOLUTION: A lighting equipment 1 is fixed with a metal fitting 3, link arms 7, 8 are attached to the both ends 5, 6 of the lighting equipment body 4 of the lighting equipment 1 to be freely rotated, and multiple lamps 12, 13 are held in parallel and at front and rear with a fixed interval on the holding arms 9 attached rotatably to the link arms 7, 8, or the opposite arm and the supporting arm are used in place of the link arms 7, 8, to apply the light from the lamps as the lighting source over a wide area. Lighting with effective and enough quantity of light is made possible in accordance with the working environment without uneven lighting and shadow by mutual interference of light by adjusting the height and angle of the shade bodies, and the lighting apparatus is easily stored.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting apparatus used for a desk or a room for integrally holding a plurality of lighting lamps.

[0002]

2. Description of the Related Art Conventionally, in a lighting fixture used for a desk or indoor use, a straight tube lamp or a spherical lamp serving as a light source is generally used alone. Therefore, a single straight tube lamp serving as a light source is used. In order to compensate for the shortage of the irradiation range of the spherical lamp and the spherical lamp, a shade that integrally incorporates a light source such as a straight tube lamp or a spherical lamp is rotatably mounted on the shaft. Generally, a shade which is integrally provided is supported by a bendable arm.

[0003]

However, in the above-mentioned conventional apparatus, in order to compensate for the shortage of the irradiation range of a single straight tube lamp or a spherical lamp which is a light source of a lighting fixture, the straight tube lamp or the light source which is a light source is used. By making the shade integrated with the spherical lamp and the arm itself that supports this shade bendable, the illumination direction and illumination height of the straight tube lamp or spherical lamp, which is the light source, can be surely set within a certain range for the user. It can be adjusted as needed, but since the light source is single, its illumination range cannot be so wide.For example, users at positions facing each other can simultaneously switch one lighting fixture. It is impossible at all to use.

Further, if the lighting direction of the light source of the lighting fixture is fixed, for example, in continuous work, there may be a difference in the lighting direction of the light source required by the user. If there is a possibility that shadows will be generated in the parts that need to be illuminated and the workability may be reduced, and it is necessary to adjust the illumination direction of the light source as needed by the work, In some cases, the interruption may cause a significant decrease in workability and may cause trouble for the user.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and is intended to illuminate a wide range of illumination fixtures effectively and with a sufficient amount of light while securing an appropriate illumination direction. Is what you do.

[0006]

For this purpose, in a lighting fixture, a lighting fixture with a built-in lighting circuit is fixed or rotatably mounted via a mounting bracket or a flat stand base, and a lighting fixture with a built-in lighting circuit. Attaching a bendable link arm to both ends of the main body, and adjusting the angle of the holding arm, which holds a plurality of illuminating lamps that are arranged in parallel in front and rear at a fixed interval by both link arms. Is attached and supported so that it can be freely adjusted.

[0007] Further, both bendable link arms which are pivotally attached to both ends of the lighting apparatus main body, and which are pivotally mounted and supported so as to be capable of adjusting the angle, are disposed in parallel with each other at an interval from each other. And a side plate of a shade body in which a plurality of lighting lamps are provided, and further, by locating the holding arm or the side plate inside the link arm, the link arm bends to the horizontal and the lighting lamp Can be folded up to the height of the lighting fixture body.

Further, a plurality of opposing arms which oppose each other via both ends of the lighting fixture main body via a support arm are provided, and an illuminating lamp is attached to each other end, or the plurality of opposing arms are illuminated without the support arm. The support arm and the opposing arm are also rotatable around both ends of the apparatus main body, and the interval between a plurality of parallelly provided illumination lamps can be appropriately changed. is there.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In practicing the present invention,
The light source of the lighting device is a light source of the lighting device in a state where the holding arm, which is arranged in parallel to the front and rear at an interval from one another and holds the shade body integrally containing the plurality of lighting lamps, is parallel to the stand base. When a certain lamp is turned on, the illumination range of the lamp, which is arranged in parallel, which is a light source, shows a maximum spread, so that a plurality of users located at positions facing each other can simultaneously operate as one. Lighting equipment can be used.

Further, the holding arms, which are arranged in parallel with each other at intervals and hold the shade body integrally containing the illumination lamp, are slightly angled, that is, the illumination height of the illumination lamp as the light source is different from each other. From the position, the light source located at a lower position illuminates a large amount of illumination light within a certain range, and the light source located at a higher position illuminates a slightly reduced amount of illumination light over a wide range. Therefore, it is possible to effectively illuminate a sufficient amount of light without causing blind spots such as shadows due to interference of illumination light from the two light sources, and to attach the holding arm and the holding arm to the shaft. In addition to the bendable link arm that supports it, the lighting fixture body itself around which this link arm is pivoted is also rotatable with respect to the mounting bracket, so that The luminaire Te, can be adjusted in any direction and angle in need of illumination.

[0011] Further, the holding arm is axially mounted and supported.
By integrally installing a plurality of lighting lamps arranged in parallel with each other on the shade body that houses each lighting lamp, the above-described effective and efficient lighting can be performed, and the number of parts is reduced. In addition to sufficiently reducing manufacturing costs and improving the efficiency of manufacturing workability, the appearance can be improved, and the link arm is bent to a horizontal position so that a plurality of illuminating lamps can be connected to the lighting fixture body. It can be easily folded up to the height. It is needless to say that a straight tube lamp can be used as the illumination lamp, and a round lamp or a straight twin lamp can be used instead of a straight tube lamp (see FIGS. 10 and 11).

[0012]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. In FIG. 1, (1) is a lighting fixture according to a first embodiment of the present invention, and the lighting fixture (1) according to the first embodiment of the present invention is provided with a work table via a mounting bracket (3). A lighting fixture body (4) with a built-in lighting circuit is fixed thereon, and bent at right and left ends (5) and (6) of the lighting fixture body (4) at right angles to the long axis direction of the lighting fixture body (4). After freely link arm (7) (8) is axially mounted, these link arms (7) and (8) are arranged in front and rear parallel to each other at a certain interval, and each straight tube lamp (12) (13) ) Are mounted and supported on a holding arm (9) integrally holding the shade bodies (10) and (11) in which the interior is mounted. (17) is a hand switch, (2)
Reference numeral 0) denotes an adjusting screw for adjusting the bending of the link arm (7).

The lighting fixture (1) according to the first embodiment of the present invention has the above-mentioned configuration, and is arranged in parallel to the front and rear at a certain interval from each other to constitute the lighting fixture (1). A state in which the holding arm (9), in which the shade bodies (10) and (11) containing the lamps (12) and (13) are integrally held, is fixed by the mounting bracket (3), is parallel to the lighting fixture body (4). Straight tube lamp (1)
2) When (13) is turned on, the illumination ranges of the straight tube lamps (12) and (13), which are arranged in parallel, which are light sources, show the maximum expansion. A plurality of users can use one lighting fixture (1) at the same time (see FIG. 2).

Further, a holding arm (9) integrally holding the shade bodies (10) and (11) in which the straight tube lamps (12) and (13) are arranged in parallel with a certain interval from each other. Is placed at a slight angle with respect to the lighting fixture body (4) fixed to the mounting bracket (3) for the purpose of increasing the fixing force, that is, a straight tube lamp (1) serving as a light source.
2) Assuming that the illumination heights in (13) are different from each other, the straight tube lamp (12), which is a light source at a low position, irradiates a large amount of illumination light within a certain range strongly and at a high position. Straight tube lamp (13)
Since the illumination light, whose light amount is slightly reduced, is illuminated over a wider range than the above-mentioned fixed range, interference of illumination light from the two light sources, ie, the straight tube lamps (12) and (13), causes shadows and the like to occur. It is possible to effectively illuminate the illumination light having a sufficient light amount without generating blind spots (see FIG. 3), and further, each straight tube lamp (12) (13) integrally held by the holding arm (9). ) Is provided on the holding arm (9) by operating the knob (14) for adjusting the angle of each shade body (10) (11) along the groove of the shade. The holding angle can be changed arbitrarily, and the illumination light from the lighting fixture (1) can be illuminated better according to the working environment. As shown in FIG. 12, the holding arm (9) is provided with a guide groove (22) along the holding arm (9), and the both ends of the shade body (10) are slidably supported on the guide groove (22). The spacing between the (sade bodies) can be adjusted by sliding the bearings of the shade bodies (10) fitted into the guide grooves (FIG. 12).

A holding arm (9) which is arranged in parallel to the front and rear at a fixed interval from each other and integrally holds the shade bodies (10) and (11) in which the straight tube lamps (12) and (13) are housed. ), And not only both bendable link arms (7) and (8) for pivotally attaching and supporting the holding arm (9), but also link ends (5) of the link arms (7) and (8).
The lighting fixture body (4) itself attached to (6) is also rotatable with respect to a screw that is screwed in the mounting hole (21) in the vertical direction by using the stand base (2), so that the user can use it. Can adjust the luminaire (1) to any direction and angle that requires illumination (see FIG. 4), and furthermore, the holding arm (9) is a link arm (8)
When the two link arms (7) and (8) are appropriately bent and set to a horizontal state, the shade body (10) can be folded to the same height as the lighting fixture body (4), so that it can be stored. At this time, the lighting fixture (1) can be made compact (see FIG. 5).

FIG. 6 shows a second embodiment of the present invention.
This is a lighting fixture (1 ') which is an embodiment. This lighting fixture (1') is different from the first embodiment in that both ends (5) (6) of a lighting fixture main body (4) constituting the lighting fixture (1). ), The two flexible link arms (7) and (8) are axially mounted and supported so that the angle can be freely adjusted, and are arranged in parallel at a fixed interval from each other. Shade body (10) with lamps (12) and (13)
A plurality of straight tube lamps (12) (1) arranged in parallel with each other with a holding arm (9) integrally holding (11).
3) is formed as an integrated shade body (15) integrally housed therein (see FIG. 7). Therefore, like the lighting fixture (1) of the first embodiment, the holding arm (7) (8) is attached to the holding arm (7) (8). Axle wearing,
An integrated type in which the supported shade members (10) (11) each containing the straight tube lamps (12) and (13) are integrally provided with a plurality of straight tube lamps (12) and (13) arranged in parallel with each other. By using the shade body (15), the above-described effective and efficient lighting can be performed. In addition, the number of parts is reduced, the manufacturing cost of the lighting fixture (1 ') is reduced, and the efficiency of manufacturing work is improved. The lighting device (1 ′) can be improved in appearance as well as the lighting device (1 ′). (16) is a side plate of the shade body (15).

Further, in the lighting fixtures (1) and (1 ') according to the first and second embodiments of the present invention, as shown in FIG. 8 or FIG. 9, the link arms (7) and (8) are extended. Thus, it can be applied as a floor stand, and the stand base (2) can be detachably attached together with the lighting fixture body (4), so that it can be used as a wall-mounted lighting fixture (see FIG. 9). In addition, as shown in FIG. 10, a round tube lamp (18) parallel to the front-rear direction or a straight twin lamp (19) as shown in FIG. Has the same effect as.

FIGS. 13, 14 and 15 show modifications of the link arms (7) and (8) in the first and second embodiments.
The one shown in FIG. 13 has a support arm (24) instead of the link arms (7) and (8), and one end of the lighting device body (4).
The other end is pivotally mounted on a plurality of opposed arms (23), and both ends are connected and supported by a support rod (25).
The opposing arm (23) is composed of arms opposing each other at both ends of the lighting fixture body (4), and is pivotally mounted on the other end of the support arm (24), and the other end (upper end) of the opposing arm (23).
, Respectively, rotatably support both ends in the longitudinal direction of the shade body (10). Each of the opposing arms (23) can be changed in angle about an end pivotally attached to the support arm (24), thereby changing a distance between a plurality of illuminating lamps (shade bodies) maintaining parallelism, or changing the distance. By reducing the spacing (FIG. 14), the illuminance can also be improved.

FIG. 15 shows a lighting apparatus main body (4) in which the support arm (24) in FIGS. 13 and 14 is omitted.
The opposing arms (23) are directly attached to both ends of the illuminating device. In this case as well, a plurality of illuminating lamps can be mounted movably while maintaining the parallel state. By making it expandable and contractible in the direction, it is possible to adjust the relative altitude of each lamp, and it is possible to make it compact by folding it down to the minimum and fold it horizontally, which is convenient for storage.

[0020]

As described above, the illuminating lamps serving as the light source of the luminaire are installed inside the shade body so as to be arranged in front of and behind each other with an interval therebetween.
A link arm and a holding arm that are rotatably mounted on both ends of a lighting device body are integrally held by a holding arm, or are supported by a facing arm and a supporting arm, so that illumination light can be irradiated over a wide range. While you can
By appropriately adjusting the angle of the shade body that houses the illumination light, which is the light source, and the holding arm, link arm, or opposing arm that holds the shade body, the unevenness of the illumination light due to the interference of the illumination light from the plurality of illumination lamps. Without shading or
Since illumination with a sufficient amount of light can be performed effectively according to the working environment, the working efficiency can be remarkably improved, and excellent effects such as easy folding can be obtained.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a lighting device according to a first embodiment of the present invention.

FIG. 2 is a diagram showing a state of use.

FIG. 3 is a view showing a state of use.

FIG. 4 is a view showing an operation state of a lighting fixture main body with respect to a stand base.

FIG. 5 is a diagram showing a housed state of the lighting fixture according to the first embodiment of the present invention.

FIG. 6 is an overall perspective view of a lighting apparatus according to a second embodiment of the present invention.

FIG. 7 is an enlarged perspective view of an integrated shade used in a lighting fixture according to a second embodiment of the present invention.

FIG. 8 is an overall perspective view when a lighting fixture according to an embodiment of the present invention is a floor stand.

FIG. 9 is an overall perspective view in the case where the lighting apparatus according to the embodiment of the present invention is mounted on a wall.

FIG. 10 is a perspective view of an embodiment of the present invention when a straight tube lamp is a round tube lamp.

FIG. 11 is a perspective view of an embodiment of the present invention when the straight tube lamp is a straight twin lamp.

FIG. 12 is a perspective view showing a modification of the holding arm in the first embodiment of the present invention.

FIG. 13 is a perspective view showing a modified embodiment of the link arm of the present invention.

14 is a perspective view showing a state in which the interval between the illumination lamps in FIG. 13 is narrowed.

FIG. 15 is a perspective view showing another modified embodiment of the link arm of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1, 1 'Lighting fixture 2 Stand base 3 Mounting bracket 4 Lighting fixture main body 5 Both ends (of lighting fixture main body) 6 Both ends (of lighting fixture main body) 7 Link arm 8 Link arm 9 Holding arm 10 Sed body 11 Sed body 12 Straight tube lamp 13 Straight tube lamp 14 Angle adjustment knob 15 Integrated shade 16 Side plate 17 Hand switch 18 Round tube lamp 19 Straight twin lamp 20 Adjusting screw 21 Mounting hole 22 Guide groove 23 Opposing arm 24 Support arm 25 Support arm 25 Support rod

Claims (7)

[Claims] 1. A lighting fixture body with a built-in lighting circuit is fixed via a mounting bracket, and bendable link arms are pivotally attached to both ends of the lighting fixture body. A lighting device comprising: a holding arm for holding a plurality of lighting lamps arranged in parallel in front and rear with a shaft mounted and supported so that the angle can be freely adjusted. 2. A link arm and a side plate of a shade body provided in place of the holding arm are axially mounted and supported so as to be adjustable in angle, and are arranged in front and rear of the shade body in parallel with an interval therebetween. The lighting device according to claim 1, wherein a plurality of lighting lamps are installed. 3. A stand base is used instead of the mounting bracket,
The lighting fixture according to claim 1 or 2, wherein the flat stand base is formed by screwing the lighting fixture body rotatably around a vertical direction. 4. The lighting device according to claim 1, wherein each of the link arms has a holding arm or a side plate inside thereof, and when the link arm is bent horizontally, the holding arm or the side plate is folded to the height of the lighting fixture body. Appliances. 5. A lighting fixture body with a built-in lighting circuit is fixed via a mounting bracket, a plurality of opposing arms opposed to both ends of the lighting fixture body are mounted on a plurality of shafts, and an illuminating lamp is provided at the other end of each of the opposing arms. And a plurality of illuminating lamps which are supported so as to be arranged in parallel in front and rear at intervals. 6. The luminaire according to claim 5, wherein a support arm is pivotally mounted on both ends of the luminaire main body instead of the opposing arm, and a plurality of opposing arms facing the other end of the support arm are pivotally mounted. 7. The lighting fixture according to claim 5, wherein a flat stand base is used in place of the mounting bracket, and the stand base is formed by screwing the lighting fixture body rotatably around a vertical direction.