JPS5810961Y2 - Lighting device for desk with bookshelf - Google Patents

Description

[Detailed description of the invention] The present invention relates to a lighting device for a desk with a bookshelf.The purpose of this invention is to provide a good lighting condition by emitting light from diagonally above the left side of the desk top plate, and to provide a lighting system for desk work. Local illumination by incandescent lamps and general illumination by fluorescent lamps can be selected or combined at will depending on the type of work, and the incandescent lamps and fluorescent lamps can be housed in areas where they do not interfere with work. It is intended to be possible to change the light irradiation position of an incandescent lamp alone, and its configuration is as follows.

In this invention, a lighting fixture frame with an incandescent lamp on the left side and a fluorescent lamp on the right side of the incandescent lamp is attached to the lower surface of the lateral root so that the left side part can be moved in and out within a certain range. The incandescent lamp described above is constructed by integrally attaching the lamp and the reflector to a mounting plate, and the mounting plate is rotated horizontally and around an axis along the left-right direction with respect to the left end of the luminaire frame. This is a lighting device for a desk with a bookshelf, characterized in that the light irradiation position of the incandescent lamp can be adjusted in the front-back direction by being movably attached.

Embodiments of the present invention will be described below with reference to the drawings.

In FIGS. 1 and 2, 1 and 1 are bookshelf side plates erected on both left and right sides of the top plate 2, and 3 is a shelf plate attached between the side plates 1 and 1, which constitute a bookshelf.

4 is the upper end of the bookshelf side panels 1, 1, the horizontal rod suspended from the straw; 5
is a bookend attached to the horizontal rod 4.

Reference numeral 6 denotes a lighting equipment frame, in which an incandescent lamp P is installed at the left end of the interior, and a fluorescent lamp Q is installed at the right side of the incandescent lamp P. By pivotally supporting the shelf board 3, the shelf board 3 is attached so as to be pivotable in the front and back directions centering on its right end so that it can be taken in and out of the lower part of the shelf board 3.

As shown in FIGS. 3 to 5, this lighting fixture frame 6 includes a main casing 7 made of a steel plate, a switch casing 8 attached to the front right end of the main casing 7, and a main casing 7. It is formed into a housing frame shape by a guided body 9 made of synthetic resin connected to the left end of the main housing 7 and a transparent cover 10 made of synthetic resin provided so as to close the front part of the main housing 7 .

The main housing 7, the switch housing 8, the guided body 9, and the transparent cover 10 are connected to each other by screws or fitting, and detailed explanations and illustrations of this connecting means will be omitted.

The guided body 9 is connected to the main casing 7 with its rear end projecting rearwardly of the main casing 7, and has a left end surface formed into a gently curved surface.

A guide groove 11 is formed in the center of the left end surface in the thickness direction.
A linear depression is formed along the front-rear direction.

Reference numeral 12 denotes a pull-out stopper formed in a bulge at the rear of the upper surface of the guided body 9, which engages with the bent side of the front end of the shelf board 3 or the stopper bar, which will be described later, to limit the amount of pull-out of the lighting fixture frame 6 at a certain angle. to be regulated.

Reference numeral 13 denotes a push-in stopper, which is formed by partially protruding the left side surface of the front end of the guided body 9 to the left;
The entire front end portion extends downward to form a pull portion 14.

9a is a sliding protrusion provided at the rear of the lower surface of the guided body 9; 15a;
, 15b are switches for incandescent lamps and fluorescent lamps arranged side by side on the front surface of the switch housing 8, and 16 is a pivot insertion hole formed vertically through the housing 8.

The incandescent lamp P is constructed by attaching a lamp 17 as its main body and a bowl-shaped reflective shank 18 to the left end of the main housing 7 via a mounting plate 19.

In this case, the upper end of the mounting plate 19 is pivotally attached to an angle-shaped support member 20 attached to the upper inner surface of the main housing 7 by a horizontal pivot 21 along the left-right direction.
7 and the reflector 18 are both rotatably supported within the main casing 7 about the pivot 21, so that the irradiation position (direction) of the light from the incandescent lamp P can be adjusted in the front-rear direction. .

Reference numeral 19a denotes a finger hook connected to the lower end of the mounting plate 19 for adjusting the irradiation position.

Note that the mounting plate 19 also serves as a heat shield plate that protects the guided object 9 from the radiant heat of the lamp 17.

On the other hand, the fluorescent lamp Q is constructed by attaching a lamp 22 as its main body via lamp support plates 23 and 24 that extend over the entire area on the right side of the incandescent lamp P in the main housing 7. .

Therefore, in order to attach the above-mentioned lighting fixture frame 6 to the lower part of the shelf board 3, there are several mounting structures as follows, depending on the materials of the bookshelf side panels 1, 1 and the shelf board 3. It can be selected as appropriate.

First, when the bookshelf side plates 1, 1 are made of synthetic resin and the shelf board 3 is made of metal plate, as shown in Figs. Locking piece 2
5 to protrude inward.

On the other hand, side frames 26 and 27 for supporting an instrument frame each having a U-shaped cross section are successively provided below both left and right ends of the shelf board 3.
An engaging hole 28 corresponding to the locking piece 25 is formed in each of the holes.

Furthermore, a protrusion 29 for preventing tilting of the instrument frame is provided horizontally on the upper part of the inner surface of the left side frame 26 by cutting and raising the protrusion.

Then, the shelf board 3 is arranged between the bookshelf side plates 1, 1, and the locking pieces 25 of the both side plates 1, 1 are connected to the engagement holes 26, 27 of the shelf side frames 26, 27.
8, the shelf board 3 is connected to the bookshelf side board 1,
Install between 1 and 1.

1a is a metal reinforcing frame attached to the outside of the bookshelf side panels 1, 1.

When installing the lighting fixture frame 6, the left and right ends of the iron frame 6, that is, the guided body 9 and the switch housing 8, are attached to the lower horizontal sides 26a and 27a of the shelf side frames 26 and 27. Place and support it.

Then, the pivot 30 is inserted from below into the pivot insertion hole 16 of the switch housing 8, and the upper end of the shaft 30 is further inserted into the hole 3b formed in the front end bent side 3a of the shelf board 3.
It is supported by a nut 31 on the bent side portion 3a.

In this way, the lighting fixture frame 6 is attached to the lower part of the shelf board 3 so as to be able to pivot around the right end thereof, and when not in use, the fixture frame 6 is housed in the lower part of the shelf board 3. As shown by the imaginary line in Figure 2, the instrument frame 6 is rotated toward you from the left side and pulled out.

When the pulled out lighting fixture frame 6 is pulled out, the stopper 12 of the guided object 9 engages with the front end bent side 3a on the left side of the side plate 3, so that it rotates further and separates from the shelf board left side frame 26. The left side frame 2 is prevented from being
The tool frame 6 is tilted downward by the projecting piece 29 of 6.
This is also prevented.

Furthermore, when the instrument frame 6 is pushed into the lower part of the shelf board 3, the push-in stopper 13 of the guided body 9 engages with the front end surface of the lower horizontal side 26a of the left side frame 26 of the shelf board, and the instrument The frame 6 is set at a predetermined storage position.

The turning movement of the instrument frame 6 in and out is guided by the guided body 9 and the lower horizontal side 26 a of the left frame 26 , and also by the lower horizontal side 27 a of the right frame 27 . The right end is supported and guided.

On the other hand, when the bookshelf side panels 1, 1 and the shelf board 3 are made of wood, a structure as shown in FIG. 8a is suitable.

That is, the guide bar 32 is placed at a predetermined position on the inner surface of the left side panel 1 of the bookshelf.
A stopper bar 33 is provided to protrude along the front-back direction, a stopper crosspiece 33 is provided to protrude from the lower surface of the front end of the shelf board 3, and a support projection 34 is provided to protrude from the inner surface of the right side board 1.

Thus, the guide groove 11 of the guided body 9 in the instrument frame 6 is engaged with the guide crosspiece 32 of the left side plate 1, while the right end of the instrument frame 6 is supported by the support projection 34, and the right end of the instrument frame 6 is supported by the support protrusion 34. A pivot 35 is inserted into the pivot insertion hole 16 from below, and its upper end is screwed into a screw hole 36 formed on the lower surface of the shelf board 3.

In this way, the instrument frame 6 is attached to the lower part of the shelf board 3 in the same way as described above so that it can be pivoted in and out about the right end.

In this structure, the movement of the instrument frame 6 is guided by the guide groove 11 and the guide bar 32, and the pull-out stopper 12 engages the stopper bar 33 when pulling out, and the push-in stopper 13 engages the front end of the guide bar 32 when pushing in. do,
The instrument frame 6 is held in a predetermined drawer and storage position.

In this case, regarding the support and guide structure of the left end of the instrument frame 6, an angled guide member 37 is provided protruding from the inner surface of the left side plate 1, as shown in FIG. It may be placed and supported on the guide member 37.

Next, when the bookshelf side plates 1, 1 and the shelf plate 3 are made of metal, a guide member 38 with a rectangular cross section is provided protrudingly at a predetermined position on the inner surface of the left side plate 1, as shown in FIG. An angle-shaped support member 39 is provided protruding from the inner surface of the guided body 9.
At the same time, the right end of the instrument frame 6 is placed and supported on the support member 39, and the pivot 40 screwed into the member 39 from below is inserted into the pivot insertion hole 16. urge

In this case, the instrument frame 6 is guided in motion by the guide groove 11 and the guide member 38, and the pull-out stopper 12 is engaged with the front bent side 3a of the shelf board 3, and the push-in stopper 13 is engaged with the front end of the guide member 39. You will win.

As described above, the lighting fixture frame 6 can be attached to the lower part of the shelf board 3 so as to be able to turn in and out around the right end thereof.

Therefore, when using this lighting device, as described above, the lighting device frame 6 is rotated and pulled out from the bottom of the shelf board 3.
When not in use, the open frame 6 is stored at the bottom of the shelf board 3.

During use, the two types of illumination light from the incandescent lamp P and the fluorescent lamp Q can be selected or used together depending on the type of desk work or desire.

For example, during normal study or office work, only the fluorescent light Q is turned on to illuminate the entire top plate 2, and when writing or reading fine letters or drawing work, the incandescent light P is turned on.
It is possible to select a good illumination condition, such as using the incandescent lamp P in combination or lighting only the incandescent lamp P to perform locally concentrated illumination.

In particular, by using mixed illumination from both incandescent lamps P and fluorescent lamps Q, the color rendering properties of fluorescent lamps Q (the property that colors appear bluer than they actually are) can be alleviated, producing softer, more natural-looking light. Obtainable.

In this case, the light from the incandescent lamp P and the fluorescent lamp Q is irradiated onto the top plate 2 from the upper left diagonally, so that the most desirable irradiation state can be obtained in which no disturbing shadows are formed.

In addition, in cases where daytime natural light can be utilized, better illumination conditions can be obtained without being too bright by using the lighting fixture frame 6 stored in the lower part of the shelf board 3 or in a partially stored state. .

Furthermore, since the incandescent lamp P is mounted so that it can be rotated back and forth around the horizontal axis within the instrument frame 6, the irradiation position of the incandescent lamp P can be adjusted back and forth as desired by the incandescent lamp alone. This makes it possible to obtain a more desirable lighting condition.

The several types of lighting fixture frame mounting structures described above are mainly preferred examples depending on the materials of the bookshelf side panels 1, 1 and the shelf board 3, and in implementing the present invention, materials other than such materials will be used. Based on various conditions, it is possible to adopt an appropriate combination of the above-mentioned types of structures, or to adopt other instrument frame mounting structures.

Furthermore, in the present invention, the specific shape and structure of the lighting fixture frame, as well as the structure for mounting the incandescent lamp and the fluorescent lamp within the same frame, can be arbitrarily selected in addition to the above embodiments.

As described above, according to the present invention, an incandescent lamp and a fluorescent lamp are integrated into a single lighting equipment frame to form a single mixed lighting equipment, so that it can be adjusted according to the type of work or desired. Centralized illumination of a single station using incandescent lamps, general illumination using fluorescent lamps, and mixed illumination using a combination of these can be selected at will.

Therefore, the most desirable illumination condition for the user can be obtained, and in particular, the problem of color rendering of fluorescent lamp illumination, which gives the user a confusing sense of color, can be solved by mixed illumination.

In addition, the lighting fixture frame was attached to the bottom of the shelf so that its left side could be moved in and out within a certain range, and when it was pulled out, the light from the incandescent lamp and fluorescent lamp was irradiated onto the top board from diagonally above the left. This prevents the so-called hands from being in the dark and provides an optimal lighting condition where light does not directly enter the eyes.

Furthermore, by adjusting the amount of drawer of the fixture frame, the irradiation position and brightness of the entire illumination light can be selected at will, and since the incandescent lamp can be swiveled around the horizontal axis even when used alone, the incandescent The irradiation position (irradiation direction) of incandescent light when using the lamp alone can be adjusted in the front-rear direction, and the distribution of fluorescent lighting and incandescent lighting can be changed during mixed illumination.

Therefore, the present invention greatly contributes to improving desk work efficiency and maintaining proper visual acuity.

On the other hand, since an incandescent lamp and a fluorescent lamp are integrated into a single fixture frame to form a single lighting fixture, the work of assembling the desk is very convenient, and the electrical wiring is simplified. , code processing becomes easier.

Furthermore, since it can be handled as a single lighting fixture with both an incandescent lamp and a fluorescent lamp built-in, it is advantageous in terms of stock, parts management, transportation, etc. during mass production.

Since this single lighting fixture is installed in the dead space below the shelf board, it has extremely high practical value as there is no risk of it interfering with desk work.

[Brief explanation of the drawing]

The figures show an embodiment of the present invention, and Figure 1 is a front view of the entire desk;
Figure 2 is a plan view of the same, Figure 3 is a perspective view of the lighting fixture frame as seen from the top, Figure 4 is a perspective view of the same as seen from the bottom, and Figure 5 is a perspective view of the same.
FIG. 6 is a partially cutaway enlarged sectional view taken along the line V-■, and FIG. 6 is a partially cutaway enlarged front view showing the first embodiment of the lighting fixture frame mounting structure.
Fig. 7 is a sectional view taken along the line VII-Vll in Fig. 6, Fig. 8a is a view corresponding to Fig. 6 showing the second embodiment, and the figure is a modification of the instrument frame support and guide structure portion in the same embodiment. A front view showing an example, and FIG. 9 is a view corresponding to FIG. 6 showing a third embodiment. 1.1...Bookshelf side board, 2...Top board, 3
... Shelf board, 6 ... Lighting equipment frame, 11.
...Guide groove for open frame, 26.27 ...Side frame for supporting the same frame, 30,35.40 ...Pivot, 3
2.37, 38...Guide member, P...
...Incandescent lamp, 17...Lamp as incandescent lamp body, 18...Reflector, 19...Mounting plate, 21...Horizontal axis , Q... Fluorescent light.

Claims (1)

[Scope of utility model registration request] A lighting fixture frame with an incandescent lamp on the left side and a fluorescent lamp on the right side of the incandescent lamp is attached to the bottom surface of the shelf so that the left side can be moved in and out within a certain range. The incandescent lamp is configured by integrally attaching the reflector and the reflective shade to the mounting plate, and the mounting plate is attached to the left end of the lighting equipment frame so as to be rotatable around a horizontal axis along the left-right direction. 1. A lighting device for a desk with a bookshelf, characterized in that the irradiation position of the light of the lamp is adjustable in the front-back direction.