JP3099041U - Furniture lighting fixtures - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the power consumption without increasing the temperature due to heat generation even when lighting equipment is installed on furniture. The directional angle of illumination can be adjusted. The equipment main body can be embedded, exposed, or directly attached to furniture.
SOLUTION: An instrument main body 1 is configured by housing an LED 22 as a light source in a housing 11 having a light emitting window 14. A power cord 7 is provided for connecting the light source of the instrument body 1 to a power plug 8 and a switch SW. The housing 11 has a mounting portion 17 that can be fixed to the mounting member 100 on the furniture side. The holder 5 can be attached to and detached from the housing 11 via the coupling mechanism 3. The holder 5 includes an embedded type and an exposed type. The coupling mechanism 3 has a function of adjusting the direction of the instrument body 1.
[Selection] Fig. 2

Description

(4) The present invention relates to a lighting device for furniture, for example, a lighting device for furniture used to illuminate the interior of box furniture such as a cupboard and a Buddhist altar as well as around the palace of a bed with a palace, near the foot of a bed, and the like.

In this type of conventional furniture lighting fixture, an incandescent lamp or a halogen lamp was used as the light source. Further, in a conventional furniture lighting device having a plurality of light sources, the plurality of light sources are connected in parallel to a power cord.

However, incandescent lamps and halogen lamps, which have been used as light sources for conventional furniture lighting fixtures, generate a large amount of heat when lit, so when installed inside cupboards or other box furniture, the The internal temperature rise may have exceeded the allowable range. Therefore, even when it is desired to install a plurality of incandescent lamps and halogen lamps, it is often impossible to install the furniture because the temperature rise inside the furniture may exceed a limit value. If such a rise in temperature is not taken into consideration in advance, the surrounding combustibles may burn due to the heat generated by the light source, or a fire may occur in some cases. In addition, when a light source is installed in the palace of a bed with a palace, discomfort may occur due to an increase in ambient temperature due to heat generation of the light source. In addition, in a furniture lighting fixture having a plurality of light sources, since the individual light sources are connected in parallel to the power cord, there is a problem that the power cord is liable to be routed and the power consumption is large. was there.

The present invention has been made under the above circumstances, and it is an object of the present invention to provide a furniture lighting device which does not cause a temperature rise due to heat generation at the time of lighting and consumes less power.

Another object of the present invention is to make it possible to attach furniture lighting fixtures that do not cause temperature rise due to heat generation and consume less power to furniture in various modes.

Another object of the present invention is to provide a lighting fixture for furniture that can be installed in a good-looking manner by laying out a power cord neatly.

Still another object of the present invention is to provide a furniture luminaire which can easily diffuse and converge an illumination range.

The lighting fixture for furniture according to claim 1 is provided with a power cord for connecting a light source to a power plug and a switch, and a plurality of LEDs used as the light source are housed in a housing having a light emitting window. An instrument body is formed.

As is well known, an LED (light emitting diode) generates little heat when emitting light, and consumes much less power than an incandescent lamp or a halogen lamp. Absent. Therefore, even if it is installed inside a box furniture such as a cupboard, the internal temperature does not rise, and even if it is installed in the palace of a bed with a palace, the ambient temperature rises and not only does it cause discomfort. In addition, the power consumption is significantly reduced.

The lighting equipment for furniture according to claim 2 and claim 4 is a lighting equipment for furniture provided with a power cord for connecting a light source to a power plug and a switch, wherein a plurality of LEDs used as the light source are provided with a light emitting window. It is the same as that of claim 1 in that the device main body is formed by being housed in a housing having the same. Therefore, even in the invention according to each of these claims, even when installed inside box furniture such as a cupboard, the internal temperature does not rise, and even when installed in the bed palace, the ambient temperature rises and it is not possible. Not only does not cause a pleasant feeling, but also the power consumption is significantly reduced as compared with the case of using an incandescent lamp or a halogen lamp.

On the other hand, the invention according to claim 2 has a holder for supporting the appliance main body, and the holder surrounds the periphery of the appliance main body and is provided with a hole formed in a mounting member provided on the furniture side. A tubular portion inserted into the tubular portion, a flange portion projecting outward from one end of the tubular portion and superposed on the mounting member, and a tongue-shaped shape formed by a U-shaped slit formed in the tubular portion, and A projection that fixes the holder to the mounting member by sandwiching the edge of the circular hole in cooperation with the flange. In this case, as in the invention according to claim 3, the tubular portion is connected to the device main body via a connecting mechanism that swingably supports the device main body and that can change and adjust the directivity angle of the light emitting window. It is desirable that it be attached.

Further, in the invention according to claim 4, there is provided a holder for supporting the appliance main body, the holder being fixed to the mounting member provided on the furniture side in an overlapping manner, and the mounting plate portion. And a connecting plate portion provided on the side of the housing. In this case, as in the invention according to claim 5, the connecting plate portion supports the device main body in a swingable manner, and the device main body is connected to the device main body via a connecting mechanism that can change and adjust the directivity angle of the light emitting window. It is desirable to be attached to.

Here, in the inventions according to claim 2 and claim 4, the lighting fixture for furniture according to the invention according to claim 2 is such that the holder is embedded and installed in the hole of the mounting member on the furniture side. On the other hand, the furniture lighting device of the invention according to claim 4 has a difference that the holder is exposed and installed on the mounting member on the furniture side.

In the present invention, like the lighting fixture for furniture according to claim 6, the connecting mechanism includes a shaft body concentrically provided on one side member of the housing and the holder, and the other side of the shaft body. A bearing hole which is provided concentrically on the member and in which the shafts are separately rotatably fitted, and a bearing in which the shaft is elastically contacted with the housing and the holder, and the shaft is fitted with the shaft; And a friction generating means comprising a rubber ring for fixing the hole and the arbitrary position relative to each other.It is possible to adopt a configuration in which the coupling mechanism is provided. There is an advantage that the configuration is simplified and an inexpensive component such as a rubber ring can be used as the friction generating means. Further, there is an advantage that the illumination can be adjusted to a desired directional angle only by performing a rotating operation of the instrument body about the shaft.

In the present invention, as in the case of the lighting fixture for furniture according to claim 7, the fixture main body includes a plurality of the LEDs as light sources and a wiring board mounted with the LEDs connected in series by a circuit pattern. Have
Each of the circuit patterns of the plurality of appliance bodies is connected in parallel at a plurality of places to a power cord derived from the power plug, and the switch is interposed in series with the power cord.
The power cord extends between a power plug and a switch between a first electrical path forming section, a power plug and an instrument body, and between a switch and an instrument body. A pin electrode and a counterpart electrode detachably connected to the pin electrode at an intermediate position between the third circuit path forming section and a fourth circuit path forming section extending between the instrument bodies. It is possible to adopt a configuration in which a male and female connector having By employing this configuration, it is easy to arrange the power cords neatly. In addition, the number of instrument bodies can be easily added or reduced.

で は In the present invention, it is desirable that a lens be provided in the light emitting window of the housing as in the furniture lighting device according to claim 8. According to this, by appropriately using a convex lens or a concave lens as a lens, it becomes possible to converge light emitted from a light source made of an LED in a narrow range or diffuse it in a wide range.

As described above, the lighting equipment for furniture according to the present invention does not cause a temperature rise due to heat generation at the time of lighting, and uses an LED with low power consumption as a light source. It does not happen, and the power cost is low. In addition, it is possible to determine the directional angle of lighting in one direction by installing the fixture body alone, and by using a holder, it is possible to adjust the directional angle of lighting. Therefore, there is an advantage that the installation method can be arbitrarily selected and adopted. Furthermore, it is also possible to arbitrarily select to embed and install it on a mounting member such as a bed palace, a cupboard, a Buddhist altar, or to expose the mounting member. Furthermore, since the power cord can be routed neatly, it is possible to install the lighting fixtures with good appearance. Further, with a lens, it is possible to easily diffuse and converge the illumination range.

FIG. 1 is a plan view of a lighting fixture for furniture according to an embodiment of the present invention as an embedded type, FIG. 2 is a vertical side view of the same, FIG. 5 is a partially cutaway side view when the lighting fixture for furniture is directly mounted, FIG. 5 is a front view of the lens 15, FIG. 6 is an enlarged cross-sectional view of a portion along line VI-VI in FIG. 5, and FIG. FIG. 9 is an explanatory diagram of the operation of the coupling mechanism 3.

The embedded lighting fixture shown in FIG. 1 or FIG. 2 includes a fixture main body 1 and a holder 5 attached to the fixture main body 1 via a connection mechanism 3.

The appliance body 1 includes a wiring board 21 and a light source mounted on the wiring board 21 inside a housing 11 formed by a circular base plate 12 and a cap-shaped cover 13 attached to the base plate 12. (Five in this embodiment) are accommodated. The plurality of LEDs 22 used as light sources are connected in series by a circuit pattern (not shown) provided on the wiring board 21, and a power plug is connected to an electrode on the wiring board 21 at the end of the circuit pattern. A power cord (to be described later) derived from (to be described later) is connected. Note that, in addition to the LEDs 22, electrical and electronic components necessary for controlling the LEDs 22 such as a resistor, a capacitor, and a bridge diode are mounted on the wiring board 21. The housing 11 has a light emitting window 14 at a portion facing the top of the LED 22, and a lens 15 is mounted on the light emitting window 14. As shown in FIG. 5 or FIG. 6, the lens 15 has a function of diffusing or converging light emitted from the LED 22 as a light source. In the illustrated example, the lens 15 has individual lens regions 16 for each of the five LEDs 22. are doing. Further, as shown in FIG. 1, two flat plate-shaped mounting portions 17 are provided on opposite sides of the outer peripheral portion of the housing 11, and mounting screw insertion holes 18 are formed in the mounting portions 17. I have.

The holder 5 is an integrated molded body of a synthetic resin having a tubular portion 51 and an annular flange portion 52 projecting outward from one end of the tubular portion 51. As shown in FIG. 3, protrusions 53 formed in the shape of a tongue by a U-shaped slit 56 are provided at two locations on opposite sides in the circumferential direction of the cylindrical portion 51. The protruding piece 53 protrudes outside the cylindrical portion 51, and a tip end 54 thereof is opposed to the flange portion 52 at a predetermined interval.

As can be seen in FIG. 2, the coupling mechanism 3 includes a shaft 31 provided in the cylindrical portion 51 of the holder 5 and a bearing hole provided in the housing 11 and into which the shaft 31 is relatively rotatably fitted. 32, and a friction generating means 33 made of a rubber ring. The rubber ring forming the friction generating means 33 is sandwiched between the cylindrical portion 51 of the holder 5 and the housing 11. . In the illustrated example, a pair of shafts 31 oppose each other at concentric left and right positions, and the shafts 31 are separately fitted into a pair of bearing holes 32 provided at concentric left and right positions.

照明 In the lighting fixture configured as described above, the housing 11 and the holder 5 of the fixture main body 1 are both made of a synthetic resin molded body. Therefore, by deforming the cylindrical portion 51 of the housing 11 or the holder 5, the shaft 31 and the bearing hole 32 of the coupling mechanism 3 can be fitted and disengaged. Thereby, the holder 5 can be attached to the instrument body 1 or detached from the instrument body 1.

When the appliance main body 1 is directly attached to the furniture, the holder 5 is removed from the appliance main body 1, and as shown in FIG. 4, the base plate 12 of the housing 11 is overlaid on the mounting member 100 provided on the furniture side. The mounting screw 91 inserted through the mounting screw insertion hole 18 of the mounting portion 17 is screwed into the mounting member 100 and tightened. In addition, as the attachment member 100, a shelf board or a wall board can be appropriately selected for box furniture such as a cupboard or a Buddhist altar, and a palace or a frame body can be appropriately selected for bedding such as a bed.

When the appliance main body 1 is embedded in furniture and installed, as shown in FIG. 2 or FIG. 3, the holder 5 attached to the appliance main body 1 via the connection mechanism 3 is inserted into the circular hole 110 formed in the mounting member 100 on the furniture side. By inserting the tubular portion 51, the flange 52 of the holder 5 is overlapped with the mounting member 100, and the edge of the circular hole 110 of the mounting member 100 is sandwiched between the tip end 54 of the projecting piece 53 and the flange 52. Find out. Thereby, the instrument body 1 is fixed to the mounting member 100 via the holder 5.

When the tool main body 1 is embedded and installed in the mounting member 100 using the holder 5 as described with reference to FIG. 2 or FIG. 3, the tool main body 1 is centered on the shaft 31 of the coupling mechanism 3 as shown in FIG. And can swing about the axis of the shaft body 31. Further, since the rubber ring as the friction generating means 33 is sandwiched between the housing 11 and the cylindrical portion 51 of the holder 5 in a state of being in contact with each other, when the instrument body 1 is swung, the instrument body 1 is swung. It is kept as it is in the later posture. Therefore, the direction of the lens 15, that is, the directional angle of illumination can be easily determined by a simple operation by swinging the instrument body 1. In FIG. 7, θ1 and θ2 represent the swing angles of the instrument body 1 to the left and right when the instrument body 1 swings right and left around the shaft 31.

FIG. 8 is a longitudinal sectional side view when the furniture lighting fixture as the embodiment of the present invention is an exposed type. In this lighting device, the structure of the holder 5 is different from that described in FIGS. 1 to 3, and the structure of the device main body 1 is the same as that described in FIGS. 1 and 2.

The holder 5 of the lighting fixture shown in FIG. 8 has a mounting plate portion 55 and connection plate portions 57 which are raised from the mounting plate portion 55 and are respectively provided on both sides sandwiching the housing 11. The connection plate 57 is connected to the housing 11 via the connection mechanism 3 described above. When exposing this lighting fixture to the furniture-side mounting member 100, as shown in FIG. 8, the mounting plate 55 of the holder 5 is overlapped with the furniture-side mounting member 100 and formed on the mounting plate 55. A mounting screw 91 inserted into a certain mounting screw insertion hole 58 is screwed into the mounting plate portion 55 and tightened. Also in this case, the device main body 1 can swing around the axis of the shaft 31 of the connecting mechanism 3 as a center. Further, since the rubber ring serving as the friction generating means 33 is sandwiched between the housing 11 and the connecting plate portion 57 of the holder 5, when the instrument body 1 is swung, the instrument body 1 is in a posture after the swing. Is kept as it is. Therefore, the direction of the lens 15, that is, the directional angle of illumination can be easily determined only by swinging the instrument body 1.

In the lighting fixture described above, it is possible to use a plurality of fixture main bodies 1 with one power plug as a power supply. FIG. 9 shows the case. In the figure, the circuit patterns of the respective wiring boards 21 (see FIGS. 2 and 8) of the two appliance bodies 1 and 1 are connected to the power cord 7 derived from the power plug 8 at a plurality of places (two places). The switches are connected in parallel, and a switch SW is interposed in the power cord 7 in series. Then, the power cord 7 is provided with a first electric path forming part 71 extending between the power plug 8 and the switch SW, a second electric path forming part 72 extending between the power plug 8 and one appliance main body 1, A third electric path forming part 73 extending between the switch SW and one appliance main body 1 and a fourth electric circuit forming part 74 extending between the appliance main bodies 1 and 1 are separated from each other. Male and female connectors 75, 76, 77, 78 are interposed at intermediate positions of 71 to 74. Here, the male and female connectors 75, 76, 77 and 78 each have a pin electrode and a mating electrode detachably connected to the pin electrode. For example, a cylindrical electrode is adopted as the mating electrode. I have. The connection and cutoff of the electric circuit can be performed in a short time only by connecting and disconnecting these electrodes.

In such an electric circuit, one or more plural instrument bodies 1 can be interposed between the two instrument bodies 1 and 1 as necessary by attaching and detaching the male and female connectors 78. It is. And even in such a case, the power cord 7 forming the entire electric circuit can be routed in an orderly manner, and it is possible to avoid a situation in which the power cord becomes cluttered and unsightly.

家具 Furniture to which the lighting equipment according to the present invention is installed includes the following furniture.

(1) Furniture that can be used as internal lighting a. Curio cases, collection boards, living boards, cupboards, kitchen boards, dining boards, cabinets (all trade names) as display cabinets and cupboards
B. Clothes dance, wardrobe, closet (all trade names)
C. TV board, corner board, sideboard, side chest, low board d. Shoe cases and shoe boxes (both brand names)
E. Altar

(2) Furniture that can be used as local lighting a. Beds with palaces, board-type beds ... these can be used as general local lighting.
B. Beds, side tables, night tables ... these can be used as foot lights.

家具 The furniture luminaire according to the present invention does not cause a temperature rise due to heat generation at the time of lighting and uses an LED with low power consumption as a light source, so that it can be used as a furniture luminaire with low power consumption.

It is a top view at the time of making the lighting fixture for furniture as embodiment of this invention an embedded type. It is the same longitudinal section side view. FIG. 3 is a longitudinal sectional side view of a main part in a state where the lighting fixture of FIG. 1 or 2 is installed. FIG. 3 is a partially cutaway side view when the lighting fixture of FIG. 1 or FIG. 2 is a direct attachment type. It is a front view of a lens. FIG. 6 is an enlarged cross-sectional view of a portion along the line VI-VI in FIG. 5. It is an operation explanatory view of a connecting mechanism. It is a vertical side view when the lighting fixture for furniture as embodiment of this invention is an exposure type. FIG. 5 is an explanatory diagram showing a state in which a power cord is routed.

Explanation of reference numerals

DESCRIPTION OF SYMBOLS 1 Instrument main body 3 Connecting mechanism 5 Holder 7 Power cord 8 Power plug 11 Housing 14 Light emission window 15 Lens 17 Mounting part 21 Wiring board 22 LED (light source)
DESCRIPTION OF SYMBOLS 31 Shaft body 32 Bearing hole part 33 Friction generating means 51 Cylindrical part 52 Flange part 53 Projecting piece 54 Tip of projecting piece 55 Mounting plate part 57 Connecting plate part 71 First circuit forming part 72 Second circuit forming part 73 Third circuit forming Part 74 Fourth electrical path forming part 75, 76, 77, 78 Male / female connector 100 Mounting member 110 Circular hole SW switch

Claims (8)

In a furniture luminaire having a power cord for connecting a light source to a power plug and a switch,
A lighting fixture for furniture, wherein a plurality of LEDs used as the light source are housed in a housing having a light-emitting window to form a fixture main body. In a furniture luminaire having a power cord for connecting a light source to a power plug and a switch,
An appliance body formed by housing a plurality of LEDs used as the light source in a housing having a light emitting window, and a holder for supporting the appliance body, wherein the holder is provided around the appliance body. And a flange portion which is inserted into a hole formed in the mounting member provided on the furniture side, a flange portion which protrudes outward from one end of the cylindrical portion and is superimposed on the mounting member, and A protruding piece formed in a tongue shape by the formed U-shaped slit and fixing the holder to the mounting member by sandwiching the hole edge of the circular hole of the mounting member in cooperation with the flange portion, A lighting fixture for furniture, comprising: 3. The furniture lighting device according to claim 2, wherein the tubular portion is attached to the fixture body via a connecting mechanism that swingably supports the fixture main body and changes and adjusts a directivity angle of the light emitting window. Appliances. In a furniture luminaire having a power cord for connecting a light source to a power plug and a switch,
An appliance body formed by housing a plurality of LEDs used as the light source in a housing having a light-emitting window, and a holder for supporting the appliance body, wherein the holder is provided on the furniture side. A lighting device for furniture, comprising: a mounting plate portion fixed to the mounting member in an overlapping manner; and a connecting plate portion standing up from the mounting plate portion and disposed on a side portion of the housing. Appliances. 5. The furniture for furniture according to claim 4, wherein the connecting plate portion is attached to the appliance main body via a coupling mechanism that swingably supports the appliance main body and changes and adjusts a directivity angle of the light emitting window. lighting equipment. The connecting mechanism is provided with a shaft concentrically provided on one side member of the housing and the holder, and the shaft is provided concentrically on the other side member thereof, and the shafts are separately rotatable relative to each other. A rubber ring for fixing the shaft and the bearing hole in which the shaft is fitted at an arbitrary relative rotational position by elastically contacting the bearing hole with the housing and the holder. The lighting fixture for furniture according to claim 3 or 5, further comprising a friction generating means. The appliance body has a plurality of LEDs as a light source and a wiring board mounted with the LEDs connected in series by a circuit pattern,
Each of the circuit patterns of the plurality of appliance bodies is connected in parallel at a plurality of places to a power cord derived from the power plug, and the switch is interposed in series with the power cord.
The power cord extends between a power plug and a switch between a first electrical path forming section, a power plug and an instrument body, and between a switch and an instrument body. A pin electrode and a counterpart electrode detachably connected to the pin electrode at an intermediate position between the third circuit path forming section and a fourth circuit path forming section extending between the instrument bodies. The lighting fixture for furniture according to any one of claims 1 to 6, further comprising a male / female connector having: The lighting device for furniture according to any one of claims 1 to 7, wherein a lens is provided in a light emitting window of the housing.

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