JP6979618B2 - Accessory mounting structure for luminaires, accessory units for luminaires and luminaires - Google Patents

Description

The present invention relates to an accessory mounting structure for a luminaire, an accessory unit for a luminaire, and a luminaire.

As shown in Patent Document 1 and the like, it has been conventionally practiced to detachably attach an accessory such as a louver to the main body of a lighting fixture.

Japanese Unexamined Patent Publication No. 2017-69025

In the above-mentioned lighting equipment, it is common to use a wire for preventing the accessory from falling off from the main body of the lighting equipment. However, in this case, it is necessary to attach the accessory to the fixture body and to connect the fixture body and the accessory with a fall prevention wire separately from this work, which complicates the installation work of the lighting fixture. ..

It is an object of the present invention to provide an accessory mounting structure for a luminaire, an accessory unit for the luminaire, and the luminaire, which can prevent the accessory from falling off by efficient installation work.

The accessory mounting structure for a luminaire according to one aspect of the present invention is a mounting structure for mounting an accessory to the luminaire main body, and includes a fixture that is hooked and held by the luminaire body and the above. Includes a screw that connects the fixture to the accessory. The screw tool has a male screw portion that meshes with a screw hole formed through the mounting tool, an intermediate shaft portion formed with a diameter smaller than that of the male screw portion so as not to mesh with the screw hole, and an intermediate shaft portion. Also has a dropout prevention portion formed with a large diameter in this order.

The accessory unit for a luminaire according to one aspect of the present invention includes the accessory mounting structure for the luminaire and the accessory to which the fixture is coupled.

The luminaire according to one aspect of the present invention includes an accessory mounting structure for the luminaire, the accessory to which the luminaire is coupled, and the luminaire body to which the luminaire is hooked.

INDUSTRIAL APPLICABILITY The present invention has an effect that it is possible to provide an accessory mounting structure for a luminaire, an accessory unit for the luminaire, and a luminaire that can prevent the accessories from falling off by efficient installation work.

FIG. 1 is a front view of the lighting fixture of the embodiment. FIG. 2 is a cross-sectional view taken along the line AA of FIG. FIG. 3 is a plan view of the same lighting fixture. FIG. 4 is an enlarged view of the P portion of FIG. FIG. 5 is a rear view of the same lighting fixture. FIG. 6 is a perspective view showing a procedure for attaching an accessory to the main body of the lighting fixture of the same. FIG. 7 is a perspective view showing the following procedure for attaching an accessory to the main body of the lighting fixture of the same. FIG. 8 is a front view of the instrument body of the same. FIG. 9 is a perspective view of the fixture hooked on the instrument body of the same. FIG. 10 is a side view of the screw tool coupled to the same mounting tool.

(Embodiment)
The lighting fixture of the embodiment will be described with reference to the accompanying drawings.

As shown in FIG. 1 and the like, the lighting fixture 3 of the present embodiment includes a fixture main body 4 having a light source unit 41 and an accessory 5 that is detachably attached to the fixture main body 4.

In the luminaire 3 of the present embodiment, the luminaire 3 is an outdoor floodlight. The instrument body 4 is a floodlight body. The accessory 5 is a louver mounted on the front surface of the instrument main body 4 in order to regulate the irradiation range from the light source unit 41.

The front-back, left-right, and up-down directions used in the text are the directions indicated by the arrows in the figure, and are based on the state in which the instrument main body 4 is installed. In the state where the instrument main body 4 is installed, the light from the light source unit 41 is emitted toward the front. In other words, the direction of irradiating light from the instrument body 4 is the front, and the opposite direction is the rear. The front-back direction, the left-right direction, and the up-down direction are orthogonal to each other.

First, the structure of the instrument main body 4 will be described with reference to FIG. 8 and the like.

The instrument body 4 includes a box-shaped body case 40. The light source unit 41 is housed in the upper part of the main body case 40, and the power supply device is housed in the lower part of the main body case 40.

A part of the upper side of the front wall of the main body case 40 is composed of a translucent panel 42. The translucent panel 42 is located in front of the light source unit 41.

A plurality of heat radiation fins 45 are provided on the upper half of the rear surface of the main body case 40 (see FIG. 6 and the like). The plurality of heat radiation fins 45 are a large number of heat radiation fins 45 arranged in parallel with each other. The plurality of heat radiation fins 45 are located behind the light source unit 41.

The power supply device housed in the lower portion of the main body case 40 converts AC power supplied from an external power source (for example, a commercial AC power source) via a power cable 49 into DC power, and uses the DC power as a light source. It is supplied to the unit 41.

The light source unit 41 integrally includes a plurality of light sources 410. The plurality of light sources 410 are six light sources 410 arranged in a matrix on the top, bottom, left, and right. Each light source 410 has an LED (Light Emitting Diode) module and a lens 415 located in front of the LED (Light Emitting Diode) module. The number of light sources 410 is not limited to six, and for example, five light sources 410 may be arranged. Further, the type of the light source 410 is not limited to the LED, and other types of light sources such as incandescent lamps, fluorescent lamps, and organic EL (Electro Luminescence) can also be used.

The instrument body 4 further includes a U-shaped arm 48 rotatably connected to the outer surface of the body case 40. Both ends of the arm 48 in the longitudinal direction can be screwed to the left and right outer surfaces of the main body case 40.

Next, the structure of the accessory 5 will be described.

The accessory 5 which is a louver includes a frame 51 having a rectangular outer shape and a plurality of long plates 55 coupled to the frame 51 (see FIGS. 1, 7, etc.). The plurality of long plates 55 are screw-fixed to the frame 51 in a posture in which the left-right direction is the longitudinal direction. The plurality of long plates 55 are parallel to each other.

The rectangular annular frame 51 includes a pair of left and right vertical members 512 that are parallel to each other and a pair of upper and lower horizontal members 514 that are parallel to each other. The pair of left and right vertical members 512 are screwed to the upper and lower horizontal members 514, respectively.

From the pair of left and right vertical members 512, the flange 53 is extended to the side separated from each other in the left-right direction. The left and right flanges 53 each have a plurality of through holes 531. The plurality of through holes 531 are three through holes 531 through which screws can be inserted.

Next, the accessory mounting structure 1 (hereinafter, simply referred to as “mounting structure 1”) for detachably mounting the accessory 5 to the instrument main body 4 will be described in detail.

As shown in FIGS. 6 and 7, the mounting structure 1 includes two mounting tools 6, a plurality of screw tools 7, a plurality of screw tools 81 having a shape different from that of the screw tools 7, and two plate members 82. including.

By fixing the two fixtures 6 to the accessory 5 using these screws 7 and 81, and sandwiching a part of the fixture body 4 back and forth between the two fixtures 6 and the accessory 5, it is attached. The product 5 is fixed to the instrument body 4.

In the present embodiment, the plurality of screw tools 7 are two screw tools 7 having a falling-off prevention function. The screw tool 7 has a head 70 formed with the largest diameter, a male screw portion 71 having a male screw 712 formed on the outer peripheral surface, an intermediate shaft portion 73 formed with a diameter smaller than that of the male screw portion 71, and an intermediate shaft. The dropout prevention portion 75 formed to have a diameter larger than that of the portion 73 is coaxially provided in this order (see FIG. 10 and the like).

No male screw is formed on the outer peripheral surface of the intermediate shaft portion 73, and the male screw 752 is formed on the outer peripheral surface of the dropout prevention portion 75. The intermediate shaft portion 73 has a shape that does not mesh with the screw hole 61 (a columnar shape that does not have a thread to be screwed into the screw hole 61). The outer diameter of the fall prevention portion 75 is the same as the outer diameter of the male screw portion 71, and the standard of the male screw 752 of the fall prevention portion 75 is the same as the standard of the male screw 712 of the male screw portion 71. In other words, the screw tool 7 has a structure in which a groove portion (intermediate shaft portion 73) is formed in the middle of one connected male screw, and the one connected male screw is divided into a male screw 712 and a male screw 752 through the groove portion. Is. The head 70 of the screw tool 7 may have a diameter larger than that of the male screw portion 71 (larger diameter than the screw hole 61).

The plurality of screw tools 81 are four screw tools 81 that do not have a dropout prevention function like the screw tools 7. Each of the four screw tools 81 has a head 810 and a male screw 812 (see FIG. 2 and the like) formed over the entire length of the other portion. In the present embodiment, the mounting structure 1 further includes an internal tooth washer 85 inserted through each of the screw tools 7 and 81, and a washer 86 inserted through each screw tool 81.

One of the two fixtures 6 is hooked on the first portion 401 of the outer surface of the main body case 40. The other of the two fixtures 6 is hooked on the second portion 402 on the outer surface of the main body case 40. In the following, for the sake of distinction, the former fixture 6 is designated by reference numeral 6a, and the latter fixture 6 is designated by reference numeral 6b.

The first portion 401 and the second portion 402 on the outer surface of the main body case 40 are portions opposite to each other in the left-right direction. The first portion 401 is an upper portion of the front end portion of the left side surface of the main body case 40. The second portion 402 is an upper portion of the front end portion of the right side surface of the main body case 40.

A pair of protrusions 431 for hooking the attachment 6a are formed on the first portion 401 with a vertical distance from each other. The pair of protrusions 431 project rearward. A pair of protrusions 432 for hooking the attachment 6b are formed on the second portion 402 with a vertical distance from each other. The pair of protrusions 432 project rearward. The shape of the first portion 401 including the pair of protrusions 431 and the shape of the second portion 402 including the pair of protrusions 432 face each other with reference to the virtual surface S1 (see FIG. 5) that divides the main body case 40 into two left and right. It is symmetric.

Similarly, the fixtures 6a and 6b have plane-symmetrical shapes with respect to each other. When the mounting tool 6a and the mounting tool 6b are hooked on the main body case 40, the shape of the mounting tool 6a and the shape of the mounting tool 6b are plane-symmetrical with respect to the virtual surface S1.

As shown in FIG. 9, the fixture 6a includes a fixing piece 601 in which a plurality of screw holes 61 are formed through, a hooking piece 603 in which a pair of hooking portions 65 are formed at both upper and lower ends, and a fixing piece 601. It integrally has a connecting piece 605 that connects the hook pieces 603.

The plurality of screw holes 61 are four screw holes 61 that penetrate the fixing piece 601 in the thickness direction (front-back direction) thereof. The four screw holes 61 include two screw holes 611 having a shape capable of fixing the screw tool 7, and two screw holes 613 having a shape capable of fixing the screw tool 81.

The two screw holes 611 are located at a distance from each other in the vertical direction. The two screw holes 611 are an upper screw hole 611 located above the upper and lower intermediate positions of the fixing piece 601 and a lower screw hole 611 located below the intermediate position.

Similarly, the two screw holes 613 are located at a distance from each other in the vertical direction. The two screw holes 613 are an upper screw hole 613 located above the upper and lower intermediate positions of the fixing piece 601 and a lower screw hole 613 located below the intermediate position. In the vertical direction, two screw holes 611 are located between the two screw holes 613.

The hook piece 603 is formed to have a smaller vertical dimension than the fixed piece 601. The upper hook portion 65 is located above the upper screw hole 611 and below the upper screw hole 613. The lower hook portion 65 is located below the lower screw hole 611 and above the lower screw hole 613.

The connecting piece 605 is located between the fixed piece 601 and the hooking piece 603 in the left-right direction. The connecting piece 605 is a portion that connects the fixed piece 601 and the hooking piece 603 that are located apart from each other on the left and right sides. The fixed piece 601 is located in front of the hook piece 603. The connecting piece 605 is located between the fixed piece 601 and the hooking piece 603 in the front-rear direction.

The portion 6052 of the connecting piece 605 on the side closer to the hooking piece 603 is formed to have a smaller vertical dimension than the hooking piece 603. The upper hook portion 65 is formed so as to project upward from the upper edge of this portion 6052, and the lower hook portion 65 is formed so as to project downward from the lower edge of this portion 6052. ..

The screw tool 7 having a dropout prevention function is fixed to the upper screw hole 611 of the two screw holes 611. The upper screw hole 611 is located near the upper hook portion 65 and far from the lower hook portion 65. Therefore, the screw tool 7 is screwed and fixed to the mounting tool 6a at a position closer to the hooking portion 65 on the upper side than the hooking portion 65 on the lower side. The two screw tools 8 are screw-fixed to the two screw holes 613 of the fixing piece 601.

The configuration of the fixture 6a has been described above. As described above, the mounting tool 6a and the mounting tool 6b are plane-symmetrical to each other, and the mounting tool 6a and the mounting tool 6b have a common structure.

Therefore, the configuration of the mounting tool 6b is designated by the same reference numerals as the mounting tool 6a, and detailed description thereof will be omitted.

Next, an example of the procedure for attaching the accessory 5 to the instrument main body 4 will be described.

The accessory unit 2 (see FIGS. 2 and 7) is prepared for the mounting work. The accessory unit 2 includes an accessory 5 and a mounting structure 1 (that is, left and right fittings 6a, 6b, left and right screwing tools 7, 81, etc.) for attaching the accessory 5 to the instrument main body 4.

As shown by the broken line arrow in FIG. 6, the left and right fixtures 6a and 6b constituting a part of the mounting structure 1 are hooked on the first portion 401 and the second portion 402 on the outer surface of the instrument main body 4.

The fixture 6a is detachably hooked on the upper and lower protrusions 431 of the first portion 401. At this time, a portion 6052 having a small vertical dimension in the connecting piece 605 of the fixture 6a is fitted into the space between the upper and lower protrusions 431 from the rear. Further, the hook portion 65 at the upper end of the hook piece 603 is hooked from the inside (right side) in the left-right direction with respect to the upper protrusion 431, and the hook portion 65 at the lower end of the hook piece 603 is attached to the lower protrusion 431. On the other hand, it is caught from the inside in the left-right direction. As a result, the fixture 6a is detachably held by the first portion 401.

The fixture 6b is detachably hooked on the upper and lower protrusions 432 of the second portion 402 (see FIG. 5 and the like). At this time, a portion 6052 having a small vertical dimension in the connecting piece 605 of the fixture 6b is fitted into the space between the upper and lower protrusions 432 from the rear. Further, the hook portion 65 at the upper end of the hook piece 603 is hooked from the inner side (left side) in the left-right direction with respect to the upper protrusion 432, and the hook portion 65 at the lower end of the hook piece 603 is attached to the lower protrusion 432. On the other hand, it is caught from the inside in the left-right direction. As a result, the fixture 6b is detachably held by the second portion 402.

As shown by the broken line arrow in FIG. 7, the flange 53 on the left side of the accessory 5 is detachably screwed to the fixture 6a with the plate material 82 having a plurality of through holes 821 sandwiched therein. For fixing here, one screw tool 7 and two screw tools 81 are used. The plurality of through holes 821 are four through holes 821 arranged one above the other, and the screw tool 81 is inserted into the through holes 821 at the upper and lower ends, and the screw tool 7 is inserted into another through hole 821.

The screw tool 7 penetrates the through hole 531 of the flange 53 and the through hole 821 of the plate material 82 from the front to the rear, and is fixed to the screw hole 611 on the upper side of the fixture 6a. At this time, as shown in FIG. 2 and the like, the male screw portion 71 constituting a part of the front side of the screw tool 7 meshes with the screw hole 611 and is coupled to the screw hole 611. In other words, the male screw portion 71 is screwed into the screw hole 611. Of the screw tools 7, the intermediate shaft portion 73 and the dropout prevention portion 75, which form a portion behind the male screw portion 71, are located so as to project rearward from the screw hole 611.

The male screw 752 formed on the outer peripheral surface of the dropout prevention portion 75 has a shape that can be meshed with the screw hole 611 (a shape that can be screwed into the screw hole 611). When the screw tool 7 is screwed in, the dropout prevention portion 75 can be screwed backward while engaging with the screw hole 611, and after passing through the screw hole 611, the dropout prevention portion 75 prevents the screw tool 7 from falling forward. Demonstrate the function.

The head 70 of the screw tool 7 hits the front surface of the flange 53 to prevent the screw tool 7 from falling backward. In the present embodiment, the internal tooth washer 85 is fitted to the screw tool 7, and the internal tooth washer 85 is sandwiched between the attachment tool 6a and the plate material 82.

The screw tool 81 penetrates the through holes 531, 821 of the flange 53 and the plate material 82 from the front to the rear, and is fixed to the screw hole 613 of the mounting tool 6a.

In the present embodiment, a washer 86 and an internal tooth washer 85 are fitted to the screw tool 8, the washer 86 is sandwiched between the head 80 and the flange 53 of the screw tool 81, and the internal tooth washer 85 is a mounting tool 6a and a plate material. It is sandwiched between 82.

A flange 53 on the right side of the accessory 5 is detachably screw-fixed to the fixture 6b with a plate material 82 having a plurality of through holes 821 interposed therebetween. For fixing here, one screw tool 7 and two screw tools 81 are used as in the case of the mounting tool 6a.

Since the structure for fixing the fixture 6b to the flange 53 on the right side is the same as the structure for fixing the fixture 6a to the flange 53 on the left side (more specifically, it is a plane-symmetrical structure), detailed description thereof will be omitted.

In the lighting fixture 3 of the present embodiment, since the accessory 5 is attached to the fixture main body 4 by using the above mounting structure 1, even when the screw tools 7 and 81 are loosened and come off from the screw holes 611 and 613 for some reason. The screw tool 7 remains in the screw hole 611 without falling off, thereby preventing the accessory 5 from falling off from the instrument body 4.

That is, in the left and right screw tools 7 for connecting the accessory 5 to the fixtures 6a and 6b, when the male screw portion 71 comes off forward, the fall-off prevention portion 75 is caught without passing through the screw hole 611, so that the screw tool 7 is prevented from falling off. The screw tool 7 is held in a state where the intermediate shaft portion 73 is inserted into the screw hole 611. The axial dimension of the intermediate shaft portion 73 is set to be at least longer than the axial dimension of the screw hole 611.

Therefore, in the lighting fixture 3 of the present embodiment, it is not necessary to prepare and attach the wire for preventing falling off, and the installation work is efficiently performed. Moreover, since no wire is required, the number of parts can be reduced and the cost can be reduced.

In the above-mentioned attachment procedure, the left and right attachments 6a and 6b are attached to the instrument main body 4, and then the accessory 5 is attached to the instrument main body 4, but this procedure may be reversed. That is, after the accessory 5 is attached to the instrument main body 4, the left and right attachments 6a and 6b may be attached to the instrument main body 4.

(Modification example)
Next, various modifications of the lighting fixture 3 of the present embodiment will be described.

In the present embodiment, the accessory 5 is a louver that can regulate the irradiation range of the instrument body 4 to take measures against light pollution, but the accessory 5 is not limited to this and is selected for the instrument body 4. Other accessories such as a hood and a guard that can be attached to the object may be used.

Further, the structure of the fall-off prevention portion 75 included in the screw tool 7 is not limited to the above structure. The structure may be a shaft portion 73. Alternatively, a screw tool 7 having no dropout prevention portion 75 is prepared, and after the screw tool 7 is inserted into the screw hole 611, another member such as a retaining ring or a pin is attached to a portion protruding from the screw hole 611. May be good. In this case, the separate member constitutes a dropout prevention portion 75 having a diameter larger than that of the male screw portion 71.

Further, in the present embodiment, the mounting tool 6 and the screwing tool 7 are used one on each side, but the number and position of the mounting tool 6 and the screw tool 7 are not particularly limited. The number of attachments 6 and 7 may be one or more.

In other configurations of the luminaire 3, it is possible to make appropriate design changes within the range in which the function of preventing the accessory 5 from falling off, or to combine known techniques.

(Aspect)
As is clear from the description of the above-described embodiment and various modifications thereof, the accessory mounting structure (1) for the lighting fixture of the first aspect is attached to the fixture main body (4) of the lighting fixture (3). It is a mounting structure for mounting the product (5). In the accessory mounting structure (1) for the lighting fixture of the first aspect, the fixture (6) that is hooked and held by the fixture body (4), and the fixture (6) and the accessory (5) are coupled to each other. Includes screw tool (7). The screw tool (7) has a male screw portion (71), an intermediate shaft portion (73), and a dropout prevention portion (75) in this order. The male screw portion (71) meshes with the screw hole (611) formed through the fixture (6). The intermediate shaft portion (73) is formed to have a smaller diameter than the male screw portion (71) so as not to mesh with the screw hole (611). The dropout prevention portion (75) is formed to have a larger diameter than the intermediate shaft portion (73).

According to the accessory mounting structure (1) for the lighting fixture of the first aspect, the accessory (5) is fixed to the fixture body (4) by the work of fixing the screw tool (7) to the mounting tool (6). In addition to this, it is possible to prevent the lamp from falling off, and since there is no need for work such as wire attachment, the installation work is efficient.

The accessory mounting structure (1) for the luminaire of the second aspect is realized by the combination with the first aspect. In the accessory mounting structure (1) for the lighting fixture of the second aspect, a male screw (752) capable of engaging with the screw hole (611) is formed on the outer surface of the dropout prevention portion (75).

According to the accessory mounting structure (1) for the lighting fixture of the second aspect, the fall-off prevention portion (75) can be passed through the screw hole (611) by the normal fastening work of screwing the screw tool (7). can.

The accessory mounting structure (1) for the luminaire of the third aspect is realized by the combination with the first or the second aspect. The accessory mounting structure (1) for the luminaire of the third aspect includes two fixtures (6). One of the two attachments (6) is an attachment (6a) that is hooked on the first portion (401) of the outer surface of the instrument body (4). The other of the two attachments (6) is the attachment (6b) that is hooked on the second portion (402) opposite to the first portion (401) of the outer surface.

According to the accessory mounting structure (1) for the lighting fixture of the third aspect, the mounting tool (6a) and the accessory (5) are fixed by the screwing tool (7), and the mounting tool (6b) and the accessory (6b) are fixed. By fixing the 5) with the screw tool (7), the accessory (5) is more stably fixed to the instrument body (4). Moreover, when the screw tools (7) on both sides come off, the screw tools (7) on both sides exert a fall-off prevention function, so that the accessory (5) is more reliably prevented from coming off.

The accessory mounting structure (1) for the luminaire of the fourth aspect is realized by the combination with the third aspect. In the accessory mounting structure (1) for the lighting fixture of the fourth aspect, the shapes of the two fixtures (6) are plane-symmetrical with each other in a state of being hooked on the fixture main body (4).

According to the accessory mounting structure (1) for the lighting fixture of the fourth aspect, the accessory (5) can be more fixed and prevented from falling off through the two fittings (6) having a plane-symmetrical relationship with each other. It is realized stably.

The accessory mounting structure (1) for the lighting fixture of the fifth aspect is realized by the combination with any one of the first to fourth aspects. In the accessory mounting structure (1) for the lighting fixture of the fifth aspect, the fixture (6) has a pair of hooking portions (65) hooked on the outer surface of the fixture body (4) in a predetermined direction (up and down in the embodiment). Have a distance from each other in the direction). The screw hole (611) of the fixture (6) is located closer to one of the pair of hooking portions (65) (in the embodiment, the upper hooking portion (65)) in this predetermined direction.

According to the accessory mounting structure (1) for the lighting fixture of the fifth aspect, when the fixing of the screw tool (7) is released and the mounting tool (6) rattles around the screw tool (7). Further, the amount of rattling of one of the pair of hooking portions (65) (in the embodiment, the upper hooking portion (65)) is suppressed. Therefore, the fixture (6) can maintain a state in which at least one hooking portion (65) is hooked on the instrument main body (4).

The accessory mounting structure (1) for the lighting fixture of the sixth aspect is realized by the combination with any one of the first to fifth aspects. In the accessory mounting structure (1) for the luminaire of the sixth aspect, the luminaire (3) is an outdoor floodlight.

According to the accessory mounting structure (1) for the lighting fixture of the sixth aspect, the accessory (5) is prevented from falling even when the lighting fixture (3) which is a floodlight is installed at a high position outdoors. Will be done. Moreover, since the installation work is completed efficiently, it is easy to install in various places.

The accessory mounting structure (1) for the lighting fixture of the seventh aspect is realized by the combination with any one of the first to sixth aspects. In the accessory mounting structure (1) for the lighting fixture of the seventh aspect, the accessory (5) is a louver that regulates the irradiation range of the fixture main body (4).

According to the accessory mounting structure (1) for the lighting fixture of the seventh aspect, the irradiation range of the fixture main body (4) is restricted by mounting the accessory (5) which is a louver on the fixture main body (4). It is possible to take measures against light pollution.

In the accessory unit (2) for the luminaire of the eighth aspect, the accessory mounting structure (1) for the luminaire of any one of the first to seventh aspects and the fixture (6) are combined. The accessory (5) is provided.

According to the accessory unit (2) for the lighting fixture of the eighth aspect, the accessory (5) is attached to the fixture body (4) by the efficient work of fixing the screw tool (7) to the fixture (6). In addition to fixing to, the accessory (5) can be prevented from falling off.

The luminaire (3) of the ninth aspect is an accessory (5) to which the accessory mounting structure (1) for the luminaire of any one of the first to seventh aspects and the fixture (6) are combined. And the fixture body (4) on which the fixture (6) is hooked.

According to the luminaire (3) of the ninth aspect, the accessory (5) is fixed to the fixture body (4) by the efficient work of fixing the screw tool (7) to the fixture (6). In addition, it is possible to prevent the accessory (5) from falling off.

1 Accessory mounting structure 2 Accessory unit 3 Lighting fixture 4 Fixture body 401 1st part 402 2nd part 41 Light source part 5 Accessories 6 Mounting tool 6a Mounting tool 6b Mounting tool 611 Screw hole 65 Hooking part 7 Screw tool 71 Male thread part 73 Intermediate shaft part 75 Falling prevention part 752 Male screw

Claims (9)

It is a mounting structure for mounting accessories to the main body of the lighting fixture.
A fixture that is caught and held by the instrument body,
Includes a screw that connects the fixture to the accessory.
The screw tool is
A male screw portion that meshes with a screw hole formed through the fixture and
An intermediate shaft portion formed with a diameter smaller than that of the male screw portion so as not to mesh with the screw hole,
The dropout prevention portion formed to have a diameter larger than that of the intermediate shaft portion is provided in this order.
Accessory mounting structure for lighting equipment. On the outer surface of the dropout prevention part,
A male screw that can mesh with the screw hole is formed.
The accessory mounting structure for the lighting fixture of claim 1. Including the two fixtures
One of the two fixtures is a fixture that is hooked on the first portion of the outer surface of the instrument body.
The other of the two fixtures is a fixture that is hooked on a second portion of the outer surface opposite to the first portion.
Accessory mounting structure for the luminaire according to claim 1 or 2. The shapes of the two fixtures are plane-symmetrical to each other when hooked on the instrument body.
The accessory mounting structure for the lighting fixture of claim 3. The fixture is
A pair of hooking portions that are hooked on the outer surface of the instrument body are provided at a distance from each other in a predetermined direction.
The screw hole of the fixture is located closer to one of the pair of hooks in the predetermined direction.
Accessory mounting structure for any of the lighting fixtures of claims 1 to 4. The luminaire is an outdoor floodlight.
Accessory mounting structure for any of the lighting fixtures of claims 1-5. The accessory is a louver that regulates the irradiation range of the instrument body.
Accessory mounting structure for any of the lighting fixtures of claims 1 to 6. The accessory mounting structure for any of the lighting fixtures according to claims 1 to 7.
Equipped with the accessory to which the fixture is coupled.
Accessory unit for lighting equipment. The accessory mounting structure for any of the lighting fixtures according to claims 1 to 7.
With the accessory to which the fixture is bonded,
The instrument body with which the fixture is hooked is provided.
lighting equipment.

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